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• How to Fix Mail Server SSL?

  - by Noah Goodrich

  Our mail server was originally setup using self-created certificates, however when those expired and I tried to recreate them, the whole thing just blew up. Since I know it will be important, we are running a Debian server and Postfix. Now I see these errors generated in the mail logs: May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: cannot get certificate from file /etc/postfix/ssl/smtpd.cert May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:02001002:system library:fopen:No such file or directory:bss_file.c:352:fopen('/etc/postfix/ssl/smtpd.cert','r'): May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:20074002:BIO routines:FILE_CTRL:system lib:bss_file.c:354: May 15 08:06:34 letterpress postfix/smtpd[22901]: warning: TLS library problem: 22901:error:140DC002:SSL routines:SSL_CTX_use_certificate_chain_file:system lib:ssl_rsa.c:720: May 15 08:06:34 letterpress postfix/smtpd[22901]: cannot load RSA certificate and key data And when trying to access email from a client like Thunderbird from outside our local network, you receive "Unable to connect to smtp server". Update: I have verified that the file does exist. The current owner of the file is root:root. Does this need to be changed?

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• Client/server application RPC connection gets disconnected very frequently

  - by Chris Thompson

  I have a client/server application that uses RPC for the client to communicate with the server. Fairly regularly, I get an event in the Application log that the RPC connection was disconnected: Client callback failed ((0x80010108) ) I have the Windows Firewall disabled on both machines. I've even run the client on a second computer with a clean Windows XP install without any group policies. This has been going on for a long time and no one has been able to figure out why it's happening. The same client/server app works fine at other client locations. Any thoughts?

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• How To Speed Up Adding Column To Large Table In Sql Server

  - by Chris

  I want to add a column to a Sql Server table with about 10M rows. I think this query would eventually finish adding the column I want: alter table T add mycol bit not null default 0 but it's been going for several hours already. Is there any shortcut to get a "not null default 0" column inserted into a large table? Or is this inherently really slow? This is Sql Server 2000. Later on I have to do something similar on Sql Server 2008.

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• Node.js server crashes , Database operations halfway?

  - by Ranadeep

  I have a node.js app with mongodb backend going to production in a week and i have few doubts on how to handle app crashes and restart . Say i have a simple route /followUser in which i have 2 database operations /followUser ----->Update User1 Document.followers = User2 ----->Update User2 Document.followers = User1 ----->Some other mongodb(via mongoose)operation What happens if there is a server crash(due to power failure or maybe the remote mongodb server is down ) like this scenario : ----->Update User1 Document.followers = User2 SERVER CRASHED , FOREVER RESTARTS NODE What happens to these operations below ? The system is now in inconsistent state and i may have error everytime i ask for User2 followers ----->Update User2 Document.followers = User1 ----->Some other mongodb(via mongoose)operation Also please recommend good logging and restart/monitor modules for apps running in linux

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• Troubleshooting Windows Server 2012 storage spaces

  - by Iravanchi

  I'm trying the new "Storage Pools" feature on Windows Server 2012, and I've created several disks on the pool. When I restart the server, some of the disks (two, out of four) do not attach automatically, and don't show up in the list of disks. I can go to Server Manager File and Storage Services Storage Pools, and the faulty disks are listed with a yellow triangle beside them. The drive health in the properties are "unknown". But if I right-click and choose attach, the disk comes online, with all the content on it intact. But after another restart, it's the same story. I didn't find any relevant event in the event log, how can I find out why the drives are not attaching?

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• Windows Server 2008 hangs up while booting

  - by Jim R

  Windows Server 2008 hangs up while booting after Windows update applied several updates. The server is a virtual instance on a Server 2008 Hyper-V host. Other virtual servers are fine, but have not been updated. The normal boot shows the horizontal barber poll forever. When I do a safe boot it also hangs up. With a "Please Wait..." after loading many '.sys' files. The last successfully loaded file listed is: '\Windows\system32\drivers\crcdisk.sys' That is the extent of what I have been able to determine.

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• Help about NAT with virtual server

  - by Thanh Tran

  I have a dedicated server running Linux CentOS 5.3 with 2 IP addresses. I've installed a virtual machine using VMware Server. The host and the guest have a host-only network. Now I want to map the 2nd IP address to the virtual machine so that it can run as a second dedicated server for me. Here is what I do: modprobe iptable_nat echo "1" > /proc/sys/net/ipv4/ip_forward iptables -t filter -A FORWARD -s 192.168.78.128 -d 64.85.164.184 -j ACCEPT iptables -t nat -A PREROUTING -d 64.85.164.184 -i eth0 -j DNAT --to-destination 192.168.78.128 iptables -t nat -A POSTROUTING -s 192.168.78.128 -o eth0 -j SNAT --to-source 64.85.164.184</p> But it not working as intended. What is the matter?

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• Windows Server 2012 Metro shortcut icons do not show for other users

  - by Andrew

  I have installed SQL Server 2012 and SharePoint 2013 on my Windows Server 2012 machine using a dedicated domain install account. When I log into the same machine with a user account, all the icons for these applications are missing! I can still access the applications by finding them in 'Program Files', however it is very annoying. (For example, I'm not exactly sure where the SharePoint PowerShell is located, and frankly I don't want to know either) In previous versions of Windows Server, the Icons always showed up in the Start Menu. Does anyone know how I can copy the shortcuts in one account to another?

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• SQL Server 2005 Agent running SSIS job can't find file path

  - by alimack

  Basically I'm trying to run a functioning SSIS job (created in BIDS) under the SQL Server Agent - it reads a set of Excel spreadsheets and dumps the results into a table. The problem I'm having is getting the SSA to read the file path, the relevant part of the error is: "0x80004005 Description: "'N:\Assets Property & Facilities Management\Monthly Absence.xls' is not a valid path. Make sure that the path name is spelled correctly and that you are connected to the server on which the file resides." I've tried using UNC paths (\servername\ share) but the BIDS rewrites the paths to standard file paths (c:\directory\filename), I've also tried a proxy which runs this step under an Admin account. I've also tried changing the path to UNC on the SSIS job on the server. Also I'm forcing it to use the 32 bit DTEXEC, so it's not that either Always get the same error, do I need to re-create the job from scratch?

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• Developer Laptop with SQL Server 2008 can't login to SSIS when offsite

  - by wizlb

  When I bring my Windows XP (SP3) laptop home I can still login as my domain account because Windows caches the info necessary to authenticate me when the domain controller isn't around. However, when I try to connect to Integration Services from within SQL Server Management Studio, it generates SSPI context errors. The only way it works is if I connect to the office with VPN or if I'm at the office where the domain controller is. I have both SQL Server Agent and SQL Server Integration Services 10 running under local computer accounts. It seems that the only option to connect to Integration Services from within Management Studio is to use Window authentication. Is there any way to do this when I'm not connected to the office? Why don't these services use the cached info just like Windows Login? Thanks.

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• Server 2008 Hard Faults

  - by claw

  Hey all, plase bear with me as I haven't looked at a server in a very long time. The problem I am having is with a Windows 2008 Standard FE Service Pack 2 Intel Xeon X3430 @ 2.40 2.39 GHZ 4 GB Memory 64 Bit There seems to be no problems other than the physical memory peaking at 91%, always with over 100 Hard Faults Per Second. To my understanding hard faults should be fairly rare on a machine with. Are there any logs I can show you? Or investigate myself. The general performance of the machine is ok, i can access SBS2008 and change settings fairly smoothly without hangs etc. However, we connect to the server and do quite a bit of SQL via an application. For a record to retrieve say 20 rows, it can take 20+ seconds. Thanks in advance, Jamie EDIT: What the server is used for: IIS ASP Web Service SQL 2008 List item Exchange unable to upload screenshots due to low reputation - why doesnt my SO work here :)

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• Server Performance

  - by Burt

  We have a dedicated server that we use to stage websites (our test server). The performance of the server has become really bad and we regularly have to restart it. When performance is poor I have checked task manager for the processes and memory but everything looks OK. We use a content management system and it is always when using the admin section of this CMS that we notice the performance degrade which makes me think it may have something to do with DB calls the CMS is making. Does this sound viable? Any other sggestions of how I can go about testing this? Thanks in advance...

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• Which version of Windows Server 2008?

  - by dragonmantank

  One of the projects I'm working on is looking like we're going to need to migrate from CentOS 5.4 over to something else (we need to run Postgresql 8.3+, and CentOS/RHEL only support 8.1), and one of the options will be Windows Server. Since 2008 R2 is out that's what I'm looking at. I'll need to run Postgres and Tomcat and don't really require anything that Windows has like IIS (if I can run Server Core, even better!). The other kicker is it will be virtualized through VMWare ESXI 4.0 so that we have three separate boxes: development, Quality, and Production servers. From a licensing standpoint though, and I good enough with just the Web Server edition? Am I right in assuming that will be three licenses? Or should I just jump up to Enterprise so that I get 4 VM licenses?

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• How can I permanently remove default root hints from a Server 2008 DNS server?

  - by TonyD

  My network exists in private address space and I am unable to perform DNS lookups against DNS servers on the internet directly (blocked by firewall). There are other networks that exist in the same private address space as my network. I need to be able to perform DNS lookups for devices in these networks as well. There are 2 main internal DNS servers in this private address space, but not on my netowrk. I can perform DNS lookups against both of these servers for devices internal to our address space and names on the internet. I would like to permanently remove the root hints from our Server 2008 R2 DNS server and replace them with these 2 internal DNS servers. I have removed them from the dnsmgmt console, the C:\Windows\System32\DNS\cache.dns file, and from the RootDNSServers folder under the System folder in ADUC. Even so, they continue to repopulate into the root hints tab in the server properties for DNS after roughly an hour. Does anyone know how to permanently remove these entries?

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• Why won't my Windows 7 KMS key work on my Server 2008 KMS server?

  - by Ryan Bolger

  Our Microsoft volume licensing site was recently updated to include our Windows 7 and Server 2008 R2 KMS keys. We have an existing KMS server running on Server 2008 (not R2). In an attempt to be proactive about supporting the new OSes in our environment, I unregistered the old KMS key with slmgr.vbs and tried registering the new key. The registration failed with Error 0xC004F050. The description for that error was "The Software Licensing Service reported that the product key is invalid." What's wrong? I've checked and double checked that for typos against what is listed on the Volume Licensing website.

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• Troubleshooting a high SQL Server Compilation/Batch-Ratio

  - by Sleepless

  I have a SQL Server (quad core x86, 4GB RAM) that constantly has almost the same values for "SQLServer:SQL Statistics: SQL compilations/sec" and "SQLServer:SQL Statistics: SQL batches/sec". This could be interpreted as a server running 100% ad hoc queries, each one of which has to be recompiled, but this is not the case here. The sys.dm_exec_query_stats DMV lists hundreds of query plans with an execution_count much larger than 1. Does anybody have any idea how to interpret / troubleshoot this phenomenon? BTW, the server's general performance counters (CPU,I/O,RAM) all show very modest utilization.

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• Migration of egroupware from one Ubuntu server to another

  - by Chris Schmidt

  I am new to server administration and have been attempting to migrate from one Ubuntu server to another for 4 days now. I am having a problem with migration of egroupware settings. Specifically, I need to find where knowledgebase saves the files on the local machine. I have the database set correctly and its using the previous settings. However, articles in knowledgebase are not showing images associated with them. I have tried everything to find the file on the old server that stores data files uploaded to the knowlegebase but I cannot. If there is another way to import these files, or if someone knows where they are saved, I would really appreciate the help. -Chris

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• Mail on other server

  - by takeshin

  Here is the current DNS setup: mx.example.com 3600 A 93.157.123.73 example.com 3600 A 93.157.123.93 www.example.com 3600 A 93.157.123.93 mail.example.com 3600 A 93.157.123.72 smtp.example.com 3600 CNAME mail.example.com pop3.example.com 3600 CNAME mail.example.com imap.example.com 3600 CNAME mail.example.com panel.example.com 3600 CNAME panel.example2.pl www.panel.example.com 3600 CNAME panel.example2.pl ftp.example.com 3600 CNAME example.com mysql.example.com 3600 CNAME example.com pgsql.example.com 3600 CNAME example.com *.example.com 3600 CNAME example.com example.com 3600 MX 10 mx.example.com example.com 3600 NS ns1.example2.pl example.com 3600 NS ns2.example.pl example.com 3600 TXT "v=spf1 redirect=_spf.example3.pl" My client wants to have mail on his own server alfa.otherhost.com. Which entries do I have to update? Only the MX one? example.com 3600 MX 10 alfa.otherhost.com or: example.com 3600 MX 10 mx.alfa.otherhost.com Do I need to update POP, SMTP and IMAP entries too?

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• SQL Server iSCSI session issue with a NetApp SAN

  - by Matt Beckman

  We had an issue early this morning when iSCSI issues broke connectivity with a few of our databases (resulting in a SQL Server Error 21). Attempts to DBCC CheckDB did not work, and the only solution was to restart the SQL Service. Is there a known reason why an iSCSI initiator session would reset itself out of the blue? Example below from the NetApp syslog. This set of errors was replicated 4 times (once for each SQL server in production). Only one SQL server was noticeably impacted, however. [san1: iscsi.notice:notice]: ISCSI: iswta, ISID Rule: new connection from same initiator, shutting down old session 7 [san1: iscsi.notice:notice]: ISCSI: iswta, New session from initiator iqn.1991-05.com.microsoft:sql1.example.corp at IP addr 10.xxx.xxx.123

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• Windows Server 2012 R2 application installation slowness

  - by Eric

  Good afternoon, Windows Server 2012 R2 as host fully up to date Windows Server 2012 R2 as guest fully up to date Whether I am running it as a host or guest, whenever I am installing an application that should take a couple minutes it always ends up 3x-5x longer than it should. If I take the same applications and install it on any other OS (IE 2k8, 7,) it they install very quickly. Dell server management software took 30 minutes or so when it takes 5 minutes or so on 2k8. Even a clean install not joined to domain I still experience this same slowness on applications I attempt to install. So my question to everyone is, are you or anyone else experiencing this? I cannot find anything on google so this is why I am here

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• Cannot install SQL Server (2012) PowerPivot for SharePoint, always fails Sharepoint Version check

  - by ProfessionalAmateur

  Trying to install a fresh install of Sharepoint 2010 (w/ SP1) and SQL Server 2012 PowerPivot for Sharepoint. The prerequisites clearly show that Sharepoint 2010 SP1 is needed, which we have installed. However after when trying to install the SQL Server portion we consistently fail the rule SharePoint version requirement for PowerPivot for SharePoint' validation in theSQL Server` install process. Here is the process we are following: 1. install Sharepoint 2010 2. install Sharepoint 2010 SP1 3. install SQL Server 2012 PowerPivot for SharePoint Here is a screen shot of the error and the log file error. We are completely stuck at this point, anyone run into this before?

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• Visual Studio Agents 2012 on Server 2003 SP2

  - by Corith Malin

  I'm attempting to build out our Lab Manager with TFS 2012. On a virtual machine running Server 2003 SP2 32bit, I'm attempting to install the Visual Studio Agents 2012 and am running into an error: Setup Failed! Install cannot continue because some required components failed. Microsoft .NET Framework 4.5 Asia Looking into it, the install log is erroring when it's attempting to install dotNetFx45_Full_x86_x64.exe component. Looking at that install log, it is failing with: The .NET Framework 4.5 is not supported on this operating system. So, I see according to the Agents 2012 MSDN documentation, that Server 2003 SP2 is supported by Agents 2012. But I also see that according to the .NET 4.5 MSDN documentation, Server 2003 isn't supported. So how do I install Agents 2012 on 2003 SP2 as the documentation implies I can?

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• Recycle Bin for Windows Server 2003 File Shares

  - by Joseph Sturtevant

  One of the networks I administrate uses Windows Server 2003 File Shares to provide network storage for users. To prevent against accidental deletion, I use Shadow Copies to create snapshots twice a day. This method is only effective, however, for files which were on the share during the last snapshot. When users accidentally deleted files recently placed on the share, I have no recourse except to remote desktop into the server and attempt retrieval with an undelete utility (this is only effective if the file has not been overwritten). Is there a feature like the Windows Recycle Bin for Windows Server 2003 File Shares? What is the best way to protect my users against accidental file deletion in this scenario?

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• How to select a server that supports Windows scheduled file IO

  - by Kristof Verbiest

  Background: I am developing an application that needs to read data from disk with a fairly consistent throughput. It is important that this throughput is not influenced by other actions that happen on the disk (e.g. by other processes). For this purpose, I was hoping to use the 'Scheduled File I/O' feature in Windows (throught the GetFileBandwithReservation and SetFileBandwithReservation functions). However, this StackOverflow question has thought me that this feature is only available if the device driver supports it. Currently I have no computer at my disposition that seems to support this feature (I have an HP Proliant server and a Dell Precision workstation). Question: If I were to order a new server, how can I know beforehand if this feature will be supported by the device driver? How 'upscale' does the server have to be? Has anybody used this feature with success and cares to share his experiences?

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• Do I need Exchange Server for SMTP only

  - by Rajeev

  Hi, I have a Web based application, through which i intend to send an email notifications to the users who singns in. I have put a SMTP server on Windows 2008 R2 Standard edition for the same. Do i need anything else apart from the SMTP server, like Lotus or Exchange server. Again for clarification I only need to send Emails to the users and I am not suppose to recieve emails through it. Looking for help soon. Thanks in advance.

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