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• Hyper-v on 2012R2 startup gen1 vm causes the host to freeze up

  - by sputnik

  I've searched a lot to resolve the following issue, but nothing helped me. My problem is, that starting up a first-gen vm locks up the whole host. Only a hard reset helps. Second-gen vm starts and runs perfectly. The freezes happened on 3 different vms. FreeBSD, Ubuntu, Windows Server 2008R2, while Windows 8.1 on second gen config works perfectly. Im using this pc mainly as a workstation. No eventlog errors nor dumps are generated. My system: Windows Server 2012R2 FX-8350, non OC ASRock 870 Extreme R2 (Crappy board imho) 32GB DDR3 1866@1600 (My motherboard, against the "support" for 1866ram won't work with full speed) 120GB SSD 4.5TB Storage space device I dont think that its due to my system, because vmware workstation was running without problems. Did I forget to configure something? Any help is appreciated. P.S: Even deactivating C1E, C6, C&Q didnt work. P.P.S: With no virtual network adapter set, the system still locks up. Creating a first gen vm without any hdds and network and launching works. Attaching a boot dvd causes the host to freeze. The host freezes as the gen1 vm begins to boot, doesn't matter if from dvd or hdd

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• WebDav System Error 67 in Windows XP

  - by Nixphoe

  Issue: I'm having issues getting WebDav to work in the command line on Windows XP, both Service Pack 2 and Service Pack 3. C:\>net use z: https://mywebsite.com/software/ System error 67 has occurred. The network name cannot be found. I have tested this with two webdav server. Both Ubuntu Apache and I Windows Server 2003 IIS. Both get the same result. Things That Haven't Worked: I've installed the following Microsoft KB on my XP machines with no avail. I've also found the following reg key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters UseBasicAuth REG_DWORD 1 I try the following when trying to use a few work around I've dug up on the web, all producing the same result. net use z: https://mywebsite.com/software net use z: https://mywebsite.com/software# net use z: https://mywebsite.com/software/ net use z: https://mywebsite.com/software/# I've also tried all the above combinations adding a user into it /user:user and /user:user@domain. I've also tried using http:// rather than https://. I've tried "\\server.com@ssl:443\folder" I've gone over networking related issues as @WesleyDavid had pointed out. Things that do work: I can connect to the webdav folder via the URL and with mapping in Network Place, with XP. But the command line doesn't work (I need a drive letter). Windows 7 works perfectly with the same command. My Delemma: I need this to work with a drive letter. What else can I try to get this working?

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• How to set up port forwarding on a dedicated server running CentOS 5.4 to use Ubuntu 9.0.4

  - by mairtinh

  The basic situation that I have is a dedicated server running CentOS 5.4 At the moment I have one VM running Ubuntu 9.0.4. Later on, I will want to add another VM running Windows Server 2003 but at the moment I am focusing on getting Ubuntu up and running. The Ubuntu installation is working fine but I'm seriously struggling to get port forwarding working so that I can access websites to be hosted on the Ubuntu VM. As a newbie to Linux, I am confused about the relationship between IPTables and VMWare's own port forwarding. Here's what I've tried so far. The IP of my server is xxx.xxx.xxx.xxx and the provider support have told me that the subnet mask is 255.255.255.0, the gateway address is xxx.xxx.xxx.1 and the network address is xxx.xxx.xxx.0. (Those latter two surprise me a bit, I expected private gateway/network address rather than public ones.) First of all I tried Bridged Networking but had no success at all in communicating with the machine other than through the VMware console. I tried pinging it from the host (using ssh into the host) but no joy; also no Inernet access from the VM. I changed the interfaces configuration from DHCP to Static, using a static address of 192.168.1.100 and setting the gateway to xxx.xxx.xxx.1 as advised by the provider. No real difference, still cannot ping the guest from the host or vice versa and no Internet access from the guest. Then I tried NAT. The host automatically set the IP address to 192.168.132.128 with a gateway of 192.168.132.2 Now the guest has Internet access out and when I do a VNC to the host and open Firefox with 192.168.132.128 I can see the hosted website okay but I still cannot get into it from outside. I mentioned that I'm a bit confused about IPtables and VMware port forwarding, what I meant is that I'm not sure whether IPtable forwarding should be set to the IP address of the guest interface (192.168.132.128 in this case) or the gateway address 192.168.132.2 . I have a feeling that I'm missing something very simple here, can anybody tell me what it is?

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• Windows Server 2008 R2 - VPN Folder Sharing Permissions

  - by daveywc

  I have setup VPN access to my Windows Server 2008 R2 server using RRAS. Clients can connect, run applications, view shares etc. My problem is that one of the applications that they use relies on some network shares. The application is not able to access the shares unless the user first goes into Windows Explorer and accesses the share, providing their user name and password (the same one that they use to connect via the VPN). Previously on a different Windows Server 2008 (not R2) this was not necessary i.e. the application and user could access the share without providing another user name and password. I have tried giving the Everyone group full control over the shared folder - both on the Security tab and in the Permissions area under Advanced Sharing on the Sharing tab. This still did not resolve the issue. (I don't really want to give Everyone access anyway - I was hoping that granting access to a group that the VPN users had membership of would be enough). I have also turned off password protected sharing in the Advanced Sharing Settings area of the Network and Sharing Center (under both Home or Work and Public). So my question is what is preventing my VPN users from having access to these folders without having to re-supply the same login and password that they use to access the VPN? And what is the best practice in this type of scenario?

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• How do I load balance between two Linux machines?

  - by William Hilsum

  Inspired by the Stack Overflow network, I am now obsessed with HAProxy and trying to use it myself. At the moment, each HAProxy box has got two network cards (well, two configured, I can have a maximum of 4 and wasn't sure if they needed their own one for management between the boxes). On both machines, the backend one (eth1) is a private IP that goes to a switch connected to the webservers, and the front facing one (eth0) has a public internet IP that is routed straight though. In addition, I have created an additional virtual ip for eth0 called eth0:0 which has got a third public ip address. I just about get how to use it for load balancing between multiple web servers that are behind it, but, I am failing to load balance between the two HAProxy boxes - they appear to fight for the virtual IP, but, this does not appear to be a smart solution. Now, by using the virtual shared IP address, this solution appears to work and does seem to give me maximum uptime, but, is this the correct way to do it, or is there a smarter way? I have been looking at other Linux packages such as keepalived, but, I have only been using Linux (server) for a week now and am at the limits of my understanding. Is there anyone who has done this before and can you advise anything for maximum uptime?

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• Bridging Wireless and Wired Interfaces in Linux

  - by The Daemons Advocate

  My network setup is something like: Wireless Router <---> Netbook <---> Ubuntu Desktop ...or, more verbosely (with interfaces): Wireless Router <--(wireless)--> (eth2) Ubuntu Netbook Ubuntu Netbook (eth0) <---(wired)----> (eth0) Ubuntu Desktop In a perfect world, I'd have the desktop wired, but weird circumstances combined with my wanting to understand more about networking in linux make me want to figure out how to bridge these two devices. A bit of googling has given me this example using bridge-utils, and here's how I'm (failing) to setup the bridge (on the netbook): sudo -i ifconfig eth0 0.0.0.0 ifconfig eth2 0.0.0.0 brctl addbr bridget brctl addif bridget eth0 brctl addif bridget eth2 ifconfig bridget up ...then, trying to make sure that the netbook can still get on the internets... route add default gateway 192.168.2.1 dhclient bridget What happens after this is that the dhclient command above (netbook) doesn't get served an IP, and the Desktop, if I run dhclient, it doesn't get served an IP. Some weird considerations might be that I'm running the Network Manager Applet that comes with Ubuntu. While I'm sure I can get a command line wireless configuration setup, it's a bit complex. Can someone give me a shout as to where I'm going wrong? I'd also like to note another related question titled 'Bridging my laptop’s wireless and wired adaptors', however the setup is different to mine.

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• How do I ensure a process is running, even if it kills itself? (it needs to be restarted then)

  - by le_me

  I'm using linux. I want a process (an irc bot) to run every time I start the computer. But I've got a problem: The network is bad and it disconnects often, so I need to manually restart the bot a few times a day. How do I automate that? Additional information: The bot creates a pid file, called bot.pid The bot reconnects itself, but only a few times. The network is too bad, so the bot kills itself sometimes because it gets no response. What I do currently (aka my approach ;) ) I have a cron job executing startbot.rb every 5 minutes. (The script itself is in the same directory as the bot) The script: #!/usr/bin/ruby require 'fileutils' if File.exists?(File.expand_path('tmp/bot.pid')) @pid = File.read(File.expand_path('tmp/bot.pid')).chomp!.to_i begin raise "ouch" if Process.kill(0, @pid) != 1 rescue puts "Removing abandoned pid file" FileUtils.rm(File.expand_path('tmp/bot.pid')) puts "Starting the bot!" Kernel.exec(File.expand_path('./bot.rb')) else puts "Bot up and running!" end else puts "Starting the bot!" Kernel.exec(File.expand_path('./bot.rb')) end What this does: It checks if the pid file exists, if that's true it checks if kill -s 0 BOT_PID == 1 (if the bot's running) and starts the bot if one of the two checks fail/are not true. My approach seems to be quite dirty so how do I do it better?

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• Windows Firewall Software to Filter Transit Traffic

  - by soonts

  I need to test my networking code for Nintendo Wii under the conditions when some specific Internet server is not available. Wii is connected to my PC with crossover ethernet cable. PC has 2 NICs. PC is connected to hardware router with ethernet cable. The hardware router serves as NAT and has an internet connected to its uplink. I set the Wii to be in the same lan as PC by using Windows XP Network bridge. I can observe the WII network traffic using e.g. Wireshark sniffer. Is there a software firewall that can selectively filter out transit traffic? (e.g. block outgoing TCP connections to 123.45.67.89 to port 443) I tried Outpost Pro 2009 and Comodo. Outpost firewall blocks all transit traffic with it's implicit "block transit packet" rule. If the transit traffic is explicitly allowed by creating the system-wide low level rule, then it's allowed completely and no other filter can selectively block it. Comodo firewall only process rules when the packet has localhost's IP as either source or destination, allowing the rest of the traffic. Any ideas? Thanks in advance! P.S. Platform is Windows XP 32 bit, no other OSes is allowed, Windows ICS (Internet Connection Sharing) doesnt work since the Wii is unable to connect, becides I don't like the idea of adding one more level of NAT.

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• Fixed Resource Monitor Graph Scale in Windows Server 2008 R2

  - by Clever Human

  In Windows Server 2008 R2's Resource Monitor, is there a way to set the scale of the various graphs to be constant values instead of variable based on data? It seems to me that the utility of a graph is to get a quick overview glance at the values those graphs are showing. So if I look at the CPU graph and the line is up near the top, I can know immediately that something is using all my CPU and go investigate what. I don't really care if the CPU is jumping between .01% and 2%. Or if the network usage monitor is up near the top, I will know that all my bandwidth is being used up, and go figure out what. But the way things are now, the graphs are meaningless because the scales constantly shift. If you look at the network usage graph in one second it might have a scale out of 100kbps, and the next second have a scale based on 1mbps! So... is there a registry key or something that will peg the scale of these graphs to logical maximums?

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• Nexus One WiFi connection problems.

  - by sunocky

  I have two new Nexus One for a research project. For the projects I need to keep a server running on the phone. But soon I found out that both the phones have inconsistent WiFi connection problems at my home. It can connect to my WiFi network, but will drop off in a random time. And in order to reconnect to my WiFi, I may need to reboot my router, or the phone will say "obtaining IP address" and then "Unsuccessful". I also own a G1 with firmware version 1.6, it has no such connection problems. Well, to my surprise, the two Nexus One works fine with connecting to the WiFi network at my work place, which is a WEP type WiFi connection. By the way, it is a WPA type connection at my home. Anyone knows what's the problems with the Nexus One? Any suggestions on what should I do if I want to keep the WiFi connection live all the time at my home? Thanks very much!

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• Bandwidth Suggestion

  - by Campo

  I have been asked to analyze the bandwidth usage of a company and make a recommendation for upgrading their Internet connection(s). Here is the layout 3 DLS lines so it is 3x(6 Down, 1 Up Each) into a load balancer out to the office's network. 30 VOIP phones run on a T1 (1.5 Down, 1.5 Up) The users at the company are heavily uploading. It is my suspicion that the issue in slowdown is being cause by multiple people uploading and others not being able to get requests out for even simple http requests. My initial idea is to get them a fiber line with a 10 down and 10 up. What do others think on this plan? Will that be enough to host their network traffic? What do I do about the VOIP line afterward? The fiber is expensive and I know the T1 does a great job for their VOIP so I do not want to suggest a DSL line because I know it may not be sufficient. I would also like to save them some money if I can. Maybe even get a faster fiber line and forgo the T1. Though I know their load balance/switch can only handle 20MB/S throughput. Looking for some confirmation/suggestions on my plan. I am planning on going in to get some real diagnostic numbers. Any suggestions on software to use for that? Preferably Windows software.

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• Connecting remotely to an SQL server inside a LAN

  - by vondip

  Hello everyone, I am using SQL server 2008 inside my home lan. I've configured it to accept remote connections and I can now connect to the server from other pcs inside the lan. The problems rises when I try connecting to the server from a computer outside of my home lan. I've disabled my router's firewall and I've configured a virtual server on port 1433 forwarding to the correct lan ip. What's wrong? why is it not working? Thank you very much for your help~! Edit: This is the error I keep getting: A network related or instance specific error occured while establishing connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that the SQL SERVER is configued to allow remote connections. (provider : Sql network interfaces, error: 25- Connection string is not valid) OK these are my router's details: edimax br-6204wg I am not sure how I am supposed to browse google.com. can you be a bit more specific?

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• How can I cause Task Scheduler to "fail" if a dialog box returns a certain result?

  - by Roger

  I'm working on a VBScript to do a weekly reboot of all machines on our network. I want to run this script via Task Scheduler. The script runs at 3:00 AM, but there is a small chance that users may still be on the network at that time, and I need to give them the option to terminate the reboot. If they do so, I would like the reboot to occur the next night at 3:00 AM. I've set Task Scheduler up to repeat in this way. So far, so good. The problem is that if the user selects "Cancel" in my script, the Task Scheduler does not see my task as failed, and won't run it again the next night. Any ideas? Can I pass an errorcode to task scheduler or otherwise abort the task via VBScript? My code is below: Option Explicit Dim objShell, intShutdown Dim strShutdown, strAbort ' -r = restart, -t 600 = 10 minutes, -f = force programs to close strShutdown = "shutdown.exe -r -t 600 -f" set objShell = CreateObject("WScript.Shell") objShell.Run strShutdown, 0, false 'go to sleep so message box appears on top WScript.Sleep 100 ' Input Box to abort shutdown intShutdown = (MsgBox("Computer will restart in 10 minutes. Do you want to cancel computer restart?",vbYesNo+vbExclamation+vbApplicationModal,"Cancel Restart")) If intShutdown = vbYes Then ' Abort Shutdown strAbort = "shutdown.exe -a" set objShell = CreateObject("WScript.Shell") objShell.Run strAbort, 0, false End if Wscript.Quit Appreciate any thoughts.

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• IPSec VPN using ZyWALL IPSec VPN Client: unable to connect from some providers

  - by Reshi

  I'm trying to configure an IPSec VPN to one company from my home. The company has SANET internet service provider. I was able to create a VPN connection from another company that has the same internet service provider. The problem begins when I'm trying to connect from another ISP like Orange or Telekom. Here is the log from ZyWall: 20120816 10:06:18:359 Default (SA Gateway-P1) SEND phase 1 Main Mode [SA] [VID] [VID] [VID] [VID] [VID] 20120816 10:06:18:375 Default (SA Gateway-P1) RECV phase 1 Main Mode [SA] [VID] [VID] [VID] [VID] [VID] [VID] [VID] [VID] 20120816 10:06:18:390 Default (SA Gateway-P1) SEND phase 1 Main Mode [KEY_EXCH] [NONCE] [NAT_D] [NAT_D] 20120816 10:06:18:718 Default (SA Gateway-P1) RECV phase 1 Main Mode [KEY_EXCH] [NONCE] [NAT_D] [NAT_D] 20120816 10:06:18:734 Default (SA Gateway-P1) SEND phase 1 Main Mode [HASH] [ID] 20120816 10:06:18:750 Default (SA Gateway-P1) RECV phase 1 Main Mode [HASH] [ID] 20120816 10:06:18:750 Default phase 1 done: initiator id [email protected], responder id 111.112.113.114 20120816 10:06:18:765 Default (SA Gateway-Tunnel-P2) SEND phase 2 Quick Mode [HASH] [SA] [KEY_EXCH] [NONCE] [ID] [ID] 20120816 10:06:18:953 Default (SA Gateway-Tunnel-P2) RECV phase 2 Quick Mode [HASH] [SA] [KEY_EXCH] [NONCE] [ID] [ID] 20120816 10:06:18:953 Default (SA Gateway-Tunnel-P2) SEND phase 2 Quick Mode [HASH] 20120816 10:06:48:968 Default (SA Gateway-P1) SEND Informational [HASH] [NOTIFY] type DPD_R_U_THERE 20120816 10:06:48:984 Default (SA Gateway-P1) RECV Informational [HASH] [NOTIFY] type DPD_R_U_THERE_ACK ZyWall informs me that the tunnel was opened. But I can't ping or access any computer in the network. My configuration at home: ISP: Orange Optical connection Terminal: GPON OPTICAL NETWORK TERMINAL G-25E Router: TPLink TL-WR941N --> SPI Firewall Enabled --> VPN - IPSEC Passthrough Enabled I was wondering if the problem could not be on ISP side (that he blocks somehow this connection because in SANET ISP it worked fine) or even in my terminal or router. What could I check? Where could be the problem ?

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• Windows 7 fails to connect to the internet a few minutes after startup

  - by SageTheGreat

  Problem Earlier today, when I turned on my desktop computer, my internet connection works fine. Cryptocurrency miners connecting and hashing as usual and I can browse websites. But after a few minutes, my miner fails indicating that there is something wrong with my internet connection. Tried refreshing my browser and is stuck at "resolving host", and then presented me an error. After that, i can't browse sites anymore. But the weird thing is that the network icon in Windows 7 shows no signs of problems. Solutions Made Restarted my computer without doing anything: Problem persists. Tried using the network troubleshooter of windows: Reported no problems Stopped bonjour still no progress. Loaded windows using Last good config: still no progress. Restarted Modem: No change. Current Status I currently did a system restore to my system to a point before installing the latest update from Microsoft. Because earlier today, I installed some updates and after that, the problem started to appear. (After system restore, same problem.) Latest Programs installed before the problem MS Visual Studio 2013 (but internet still worked fine after the install). I hope someone could provide answers on this problem. It is my first time encountering this. EDIT: Additional Info OS: Windows 7 SP1 64-bit AV: Avast Free Antivirus Internet Connection Type: Ethernet It appears that my Laptop can't even connect to the machine thru Remote Desktop My laptop and phone on WiFi works fine and can connect to the internet. EDIT 2: Whenever I boot into Safe Mode, my Internet is fine.

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• Unable to browse to apache service, Service is running

  - by Jeff

  Summary I have a very peculiar problem. I am not able to open the "It Works!" page after installing a fresh server with apache. I am able to ssh to the box (from outside the network). Apache seems to be running on my Centos6.4x86_64 box just fine. Nothing useful in /var/logs/httpd/*. What am I missing? The setup I am outside the network right now. The "server" is a VM on my home computer running bridged mode. public ip: A.B.C.D Host: 192.168.1.5 VM: 192.168.1.8 I have a verizon fios router that is forwarding ports 22, 80, and 8888 to the VM. I am able to ssh over port 22, but I am not able to browse to the public URL over port 80. so A.B.C.D:22 is working, but http://A.B.C.D:80 is not. What I've tried nmap to see if it is listening: nmap -sT -O localhost Starting Nmap 5.51 ( http://nmap.org ) at 2013-10-25 11:10 EDT Nmap scan report for localhost (127.0.0.1) Host is up (0.000040s latency). Other addresses for localhost (not scanned): 127.0.0.1 Not shown: 996 closed ports PORT STATE SERVICE 22/tcp open ssh 25/tcp open smtp 80/tcp open http 3306/tcp open mysql I tried going to it locally (lynx) and it does work. So, is the problem in my ports?

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• In an environment with multiple WiFi access points, do wireless clients sometimes connect to both at the same time?

  - by Bobby Burgess

  This is more of a curiosity than a problem, but in this new office I have two D-link DAP-2553's connected in a master/slave array (this just means the master keeps certain configuration options aligned with the slave). The network is set to 802.11n-only, and each AP has the same SSID and WPA2 key. The only difference is that they are on different channels (1 and 11). The WiFi network itself is working well. Users can roam around and the signal/speed is fairly consistent. However, I notice that when I look at the 802.11 client list in the web admin page for each of the 2 APs, I see that certain clients are connected to both, for extended periods of time, but I assume they are only passing data through one of them. Not every client is seen on each AP, but at any given time the same MAC address of a WiFi adapter can be associated (and remain associated) with both APs. The client list auto-refreshes every few seconds so I believe I'm looking at the most recent rather than stale information. One of the WiFi adapters that consistently associates with both APs is an Intel Centrino Wireless-N 1030 (laptop chip). Is it part of the WiFi standard that more than one association per WiFi card can be established concurrently on separate APS?

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• How do I prevent or override a group policy on Windows 7?

  - by Kevin

  A few months ago my company was purchased by a large corporation. We recently switched our network over to the large corporate network which has more restrictions requirements. One of these is the requirement to use a proxy server for Internet traffic. However, some of our internal servers are not recognized by the corporate DNS, so we need to provide the fully qualified domain name. For W7, we make changes to the Internet Properties for IE8 and Chrome to include our domain name as an exception to the proxy server (e.g., *.foobar.com). The problem is that a group policy that does not include our domain name is continually pushed out to my systems throughout the day. This requires me to make the appropriate changes to the Internet Properties several times a day in order to access our internal servers. Is there a way that I can prevent the group policy from being pushed to my systems or detect when the group policy is pushed and override it? I am an administrator on all of my systems. I do have Firefox installed which is not subject to the same group policy push, but I need to have IE8 and Chrome working.

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• 2 servers on 2 networks in same office

  - by irot

  Hello Gents, My office doesn't have a "server guy" in employ, so I'm stuck with having to fix server issues for now. There are 2 servers in our office, both are file/web servers only accessible via LAN. They are currently on the same network, so no issue there. Problem is, we recently got a static IP to use, but it's with a different ISP, so now we have 2 routers in our office. I would like to open one of the servers to the public as a web/FTP server. But if I hook a server up to the new router, users will no longer be able to access the files shared on that server (because they're on different networks). How can I go about making one server accessible to the public using the static IP line, but still able to share the files on it to the users connected to the other network? The server I want to make public is running Windows Server 2008, the other server Windows Server 2003. And as far as I know, IP addresses are assigned by the router. I'm just a developer, don't know much about networking. Thank you in advance.

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• Domain workstation acting up and I can't track it down.

  - by DevNULL

  I have a developer with a Windows XP (SP2) 64 bit machine. If the machine is left on overnight (or any period of time longer than 5-6 hours) it takes 2-3 minutes to open any local drive and his network drives are no longer accessible. Here's what the system logs report... Any Help BTW: The problem just started a week ago and nothing has changed on the domain controller / AD or his machine. --- ERROR 1 Event Type: Error Event Source: NETLOGON Event Category: None Event ID: 5719 Date: 6/8/2010 Time: 9:17:26 AM User: N/A Computer: BFC1 Description: This computer was not able to set up a secure session with a domain controller in domain UR due to the following: There are currently no logon servers available to service the logon request. This may lead to authentication problems. Make sure that this computer is connected to the network. If the problem persists, please contact your domain administrator. ADDITIONAL INFO If this computer is a domain controller for the specified domain, it sets up the secure session to the primary domain controller emulator in the specified domain. Otherwise, this computer sets up the secure session to any domain controller in the specified domain. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: 5e 00 00 c0 ^..A --- ERROR 2 The machine-default permission settings do not grant Local Activation permission for the COM Server application with CLSID {555F3418-D99E-4E51-800A-6E89CFD8B1D7} to the user NT AUTHORITY\LOCAL SERVICE SID (S-1-5-19). This security permission can be modified using the Component Services administrative tool. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. --- ERROR 3 Event Type: Error Event Source: RemoteAccess Event Category: None Event ID: 20106 Date: 6/8/2010 Time: 10:12:18 AM User: N/A Computer: BFC1 Description: Unable to add the interface {E76F0A78-7A0B-4EBB-A081-BA3BD452FC4C} with the Router Manager for the IP protocol. The following error occurred: Cannot complete this function. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Data: 0000: eb 03 00 00 e...

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• When would a persistent route not be an active route?

  - by alnorth29

  I've added a persistent route to our Windows Server 2003 box using "route -p add". After a reboot the "route print" gave this: Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 10.91.131.1 10.91.131.9 20 10.88.0.0 255.255.255.252 10.88.0.1 10.88.0.1 30 10.88.0.1 255.255.255.255 127.0.0.1 127.0.0.1 30 10.91.131.0 255.255.255.0 10.91.131.9 10.91.131.9 20 10.91.131.9 255.255.255.255 127.0.0.1 127.0.0.1 20 10.255.255.255 255.255.255.255 10.88.0.1 10.88.0.1 30 10.255.255.255 255.255.255.255 10.91.131.9 10.91.131.9 20 127.0.0.0 255.0.0.0 127.0.0.1 127.0.0.1 1 224.0.0.0 240.0.0.0 10.88.0.1 10.88.0.1 30 224.0.0.0 240.0.0.0 10.91.131.9 10.91.131.9 20 255.255.255.255 255.255.255.255 10.88.0.1 10.88.0.1 1 255.255.255.255 255.255.255.255 10.91.131.9 10.91.131.9 1 Default Gateway: 10.91.131.1 =========================================================================== Persistent Routes: Network Address Netmask Gateway Address Metric 10.88.0.0 255.255.255.0 10.88.0.2 1 The route I added is listed as a persistent route, but not an active one. Why might this be the case? The route in question is for an OpenVPN connection, would that have anything to do with it?

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• Why does Outlook 2007 lose connection to Exchange when Windows 7 64-bit turns off display?

  - by Greg R.

  The problem: When Windows 7 puts the display to sleep, Outlook 2007 and also Microsoft Office Communicator 2005 lose the connection to the Exchange server. When I unlock the computer, Outlook is logged out of Exchange and prompts me for credentials (although usually I have to restart Outlook to get it to reconnect). The network connection is still active, e.g. other applications don't lose their connection to the network or Internet when Windows 7 puts the display to sleep. I'm using a Dell E5400 notebook running Windows 7 Enterprise 64-bit with Outlook 2007 connecting to a corporate Exchange server (not sure if it's Exchange 2007 or 2010). The Dell is typically docked and connected via DVI (through the dock) to two Dell monitors. The Power Options in Windows 7 are set as follows: Turn Off The Display: 15 minutes Put The Computer To Sleep: never Those are the "Plugged In" settings but the problematic behavior is the same when running on battery. When Windows 7 turns off the display, it automatically locks the computer. E.g., I have to re-enter my credentials to access the machine. This is per corporate policy. The equivalent set up on my previous Dell notebook running Windows XP SP3 did not result in this problem with Outlook 2007 or Office Communicator 2005 connecting the very same exchange server. The problem began when I switched to the new Dell E5400 with Windows 7.

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• Which upgrade path for disk IO bound postgres server?

  - by user41679

  Hi all, We currently have a Sun x4270 with 2xquad core Xeon Nehalmen 2.93ghz cores (16 threads), 72 gig of ram and 16 x 10k SAS disks split between the os raid 1, a partition for the Write Ahead Logs which is raid 10 and a partition for the database tables and indexes which is also raid 10, all xfs. I'm currently evaluating which path to go down in terms of upgrades. We'll be sharding the DB at some point soon, but for now I need to focus on hardware upgrades specifically. The machine is not CPU or memory bound at all at the moment, just IOWait is become an issue. The machine is mostly write access as we have a heavy caching layer. We're seeing about 300 write IOPS average on both the database partitions. We don't have any additional storage infrastructure like a Fiber Channel or ISCSI network. Budget isn't too much of a concern, something inline with the size of this server (i.e no $1m IBM machines) Space is ok on the DB side of things, we're running out obviously but there's also some reduction we can do. Additional space would be good though. My current thoughts are either: * ISCSI SAN, possible with 10Gbit network that has solid state acceleration. * FusionIO card / Sun F20 card (will the FusionIO card work in the Sun box? * DAS shelf (something like this http://www.broadberry.co.uk/das-direct-attached-storage-servers/cyberstore-224s-das) which a combination of 15k sas disks and some Intel X25-E drives for DB indexes etc) what would I need to put in the x4270 to add a DAS shelf? I think it's a SAS HBA card, do I have to use Sun's own card or will any PCI Express card work? Anything else??? what would you guys do from your experience? I appreciate it's a lot of questions, but I haven't expanded a DB machine for a number of years and the landscape has changed dramatically since then! Any advice or feedback would be very much appreciated. Let me know if there's anything else I can clarify. Thanks in advance!

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• Can Windows logoff events be tracked?

  - by Massimo

  I'm working on an application to track network user logon/logoff events in an Active Directory domain; the application will work by auditing security logs on domain controllers. Auditing logon events can get somewhat tricky, but it can succesfully be done. My problem: how can I track logoff events? Based on some research I've done, it looks like these events are only logged locally on workstations, but not on DCs; also, the "lastLogoff" attribute exists on AD user objects, but it's not actually used by anyone. This is a very specific question: is something logged on DCs when a user logs off from a domain workstation? To clarify: I'm not intereseted in other auditing mehods, I can't deploy logon/logoff scripts and I can't install anything anywhere; I also know opened and closed network sessions are logged, but this is not what I'm looking for. I need to audit interactive logons and logoffs to domain workstations, and I can do this by only reading domain controllers security logs; reading each workstation's local event logs is out of question. If this can't be done, it's ok; but I need a clear answer on that. Can this be done? If yes, how?

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• How to connect a USB GDI printer to Linux over a D-Link print server?

  - by jpe

  The setup is the following: +------------+ +-----------------+ +---------+ | HP LJ P1005|--USB--| D-Link DPR-1020 |---LAN---| PC Linux| +------------+ +-----------------+ + +---------+ | +------------+ +--| PC Windows | +------------+ HP LJ P1005 is one of those GDI printers that requires the printer driver to do most of the work for it and therefore is a bit "special". D-Link DPR-1020 is a print server with an Ethernet and an USB port that actually supports printing to challenged (read GDI) printers using a utility called PS-Link. What the utility does is basically mirror a USB port over the network to the print server so that the printer driver and the printer both are happy to talk to each other. The PC-s are notebooks that come and go, i.e. are not there all the time. Is there an equivalent of the D-Link PS-Link utility for Linux that could mirror a USB port over the network for a Linux host? And can the solution be used with D-Link DPR-1020? If not then I basically wasted the money buying the print server because the goal was to share a small printer among a couple of users with diverse operating systems in an office. The print server specs say that it supports Linux and LJ P1005, but the Catch 22 appears to be the solution used for GDI printers... It should be noted that it is possible to print from Linux to LJ P1005 directly over USB. This far sharing involved reconnecting the USB cable to appropriate computer to print. Now one of the desks is separated, so the cable does not work. Searching the net did not yield anything useful. Please do not suggest solutions involving a Windows machine (either virtual or not), my question is whether a solution only involving a Linux machine exists.

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