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• DNS and DHCP not agreeing on an IP address

  - by Mr. Jefferson

  I'm having a problem where our Windows Server 2003 domain controller assigns my Windows 7 computer one IP address (x.x.x.75) via DHCP, but reports another (x.x.x.84) via DNS. This causes some interesting behavior on the network. If I change my adapter settings to get IP and DNS addresses from DHCP, I can access the internet, but no one on our network can access my computer. If I change my IP manually to what DNS says it is, I lose my internet access, but everyone can get to my computer again. I know that we have some old, invalid reverse DNS pointers hanging around (a reverse lookup on an IP address often gives more than one result, usually not including the one that is correct), so that could be contributing, but my problem is recent, and the invalid reverse pointers have been around a long time. What's going on, and how do I fix it?

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• What does the "Max Memory Size" on the new Intel Core i3 / i5 / i7 CPU's mean?

  - by Josh

  I just noticed in the specs of the new Intel Core i-series processors that there is a "Max Memory Size" that is usually pretty small -- anywhere from 8GB to 24GB. See here: http://ark.intel.com/Product.aspx?id=41316 Core 2-based motherboards were just starting to roll out support for 32GB and greater memory sizes. Anyone have any idea what the Max Memory Size indicates? Is this the total limitation of the on-chip memory controller? Limitation per channel? Limitation per stick (e.g. density??)? Thinking of building a decent machine that needs lots of RAM, so I'm looking at the i7 860.

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• How to handle external and internal DNS on windows 2012

  - by ThePopcorn

  I'm trying to setup an Active Directory network on Server 2012 R2, and want AD's DNS to only be used internally (Ex: domain-controller.company.com) as well as some records that need both internal and external accessibility (Ex: mail.company.com) that use internal IP's on the internal network and finally some records that only need external access. The only solutions i have been able to think of, or look up are to either use a sub domain that handles all internal records, and use the plain company.com domain for all external records. These both seem to mean i have to manage two DNS servers separately. Is either of these the best ways or am i messing up somewhere?

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• MySql Data Loss - post mortem analysis - RackSpace Cloud Server

  - by marfarma

  After a recent 'emergency migration' of a RS cloud server, the mysql databases on our server snapshot image proved to be days out of date from the backup date. And yet files that were uploaded through the impacted webapp had been written to the file system. Related metadata that was written to the database was lost, but the files themselves were backed-up. Once I was able to manually access the mysql data files before the mysql server started (server was configured to start mysql on boot), I was able to see that the update time for ib_logfile1, ib_logfile0 and ibdata1 was days old. As with this poster, mysql data loss after server crash, it's as if some caching controller had told the OS / mysql server that it had committed data that was still in cache, and it was lost instead of flushed. I can't quite wrap my head around how the uploaded files got written but the database data did not. I would have thought that any cache would have flushed system wide, rather than process by process. Any suggestions as to how this might have happened?

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• Mimic the behavior of a machine added to a domain

  - by Ian

  Hello, For some reason, the IT department at our company does not want to add Windows 7 and Windows Vista machine to the domain controller. I hate to always provide my network credentials everytime I access a shared folder on a machine that is joined to the domain. I also hate to always provide my password when I launch outlook or Visual Studio (Team Explorer). Is there a way to mimic the behavior of a machine that is added to a domain without actually adding the machine in the domain? For shares, I can create a batch file that will NET USE the different fileservers we use here but that is a huge security risk as I will type my password as plaintext. Thanks!

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• Logging on as root without winbind timeouts

  - by Josh Kelley

  How can I set up my Linux box so that, if the Active Directory domain controller is down, I can still log in as root, without any timeouts or delays? Following the example of most of the documentation out there, I've listed pam_winbind.so before pam_unix.so in my /etc/pam.d configurations. I believe that this is the cause of the problem. I remember seeing alternate /etc/pam.d setups that change the order and maybe add either pam_localuser or pam_succeed_if (to see if the uid is less than 500), but I can't find any specifics now (and I'm not enough of an expert in PAM to quickly and easily come up with a robust configuration on my own). What is the recommended setup for PAM with Winbind to avoid timeouts and delays if Active Directory is unavailable?

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• Why is this LTO4 Tape-drive not working

  - by Tim Haegele

  # modprobe mptsas # dmesg [ 4274.796796] scsi target7:0:0: mptsas: ioc1: delete device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac [ 4274.939579] mptsas 0000:01:00.0: PCI INT A disabled [ 4280.934531] Fusion MPT SAS Host driver 3.04.12 [ 4280.934552] mptsas 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 4280.934692] mptbase: ioc2: Initiating bringup [ 4281.490183] ioc2: LSISAS1064E B3: Capabilities={Initiator} [ 4281.490203] mptsas 0000:01:00.0: setting latency timer to 64 [ 4293.555274] scsi8 : ioc2: LSISAS1064E B3, FwRev=011e0000h, Ports=1, MaxQ=277, IRQ=16 [ 4293.574906] mptsas: ioc2: attaching ssp device: fw_channel 0, fw_id 0, phy 0, sas_addr 0x50050763124b29ac [ 4293.576471] scsi 8:0:0:0: Sequential-Access IBM ULTRIUM-HH4 B6W1 PQ: 0 ANSI: 6 [ 4293.578549] st 8:0:0:0: Attached scsi tape st0 [ 4293.578550] st 8:0:0:0: st0: try direct i/o: yes (alignment 512 B) [ 4293.578577] st 8:0:0:0: Attached scsi generic sg5 type 1 # mt -f /dev/st0 status mt -f /dev/st0 status mt: /dev/st0: rmtopen failed: Input/output error # dd if=/dev/zero of=/dev/nst0 bs=1024 count=10 dd: opening `/dev/nst0': Input/output error I am running debian squeeze 2.6.32-5-amd64 #1 SMP Sun May 6 04:00:17 UTC 2012 x86_64 GNU/Linux Server is Fujitsu TX140 with Controller Symbios Logic SAS1064ET PCI-Express Fusion-MPT SAS Tape+Hardware is new.

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• Can I issue wireless clients with IP address on different subnet?

  - by Beanz

  We have a very standard setup with a Windows Server 2003 domain controller issuing IP addresses using DHCP. This works fine. Internet access is managed via Microsoft ISA Server 2006 Standard. Clients are required to authenticate and this works fine. We now need to provide wireless internet access to visitors for laptops, iPhones etc. We've bought a couple of Netgear access points so I was thinking we might be able to issue wireless clients connected to it with an IP address on a different subnet and then allow non-authenticated Internet access via the ISA Server for that IP range. Does that sound plausible? I'm not even sure if I can issue a different subnet to wireless clients.

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• Windows-Server-2003 setup on Dell-PowerEdge R310 is hanging [closed]

  - by Robert Rose

  Possible Duplicate: Problems installing OS on Dell PowerEdge R410 I am trying to configure a Dell PowerEdge R310 server with Windows Server 2003. I've already configured the two hard drives as RAID1. The HD controller is PERC H700 Integrated and Adapter. Trying to stay with Windows Server 2003 on this fairly new server to save on cost and keep the configuration the same as my old server, which has been running like a champ for five years. Problem: During the OS installation, after everything has been copied from the installation CD, the installation hangs at a window labeled 'Windows Setup' with the message 'Setup is starting Windows' at the bottom. I'm wondering if this is a driver problem and if so, where can I get the drivers for the R310 or where can I get the media for the latest version of Windows Server 2003 which may include the necessary drivers? Will certainly appreciate some help here.

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• issue when promoting a second server as domain on r2 2008

  - by Mouradb

  Hello, I'm in an odd situatuion here, I've upgraded my network to a 2008 domain from a 2003 with out any issue, this works fine and all the FSMO are in one DC, I was about to install a second domain on a 2008R2 and this error is coming up again and again. I The problem is I keep getting an area telling me that I need to run adprep /domainPrep /forestPrep, but when I run it on the First DC, it tells me this has already been run and updated and it is aborted. Does anyone have any ideas on why I can't add a Server 2008 machine as a domain controller?

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• Best practice for authenticating DMZ against AD in LAN

  - by Sergei

  We have few customer facing servers in DMZ that also have user accounts , all accounts are in shadow password file. I am trying to consolidate user logons and thinking about letting LAN users to authenticate against Active Directory.Services needing authentication are Apache, Proftpd and ssh. After consulting security team I have setup authentication DMZ that has LDAPS proxy that in turn contacts another LDAPS proxy (proxy2) in LAN and this one passes authentication info via LDAP (as LDAP bind) to AD controller.Second LDAP proxy only needed because AD server refuses speak TLS with our secure LDAP implemetation. This works for Apache using appropriate module.At a later stage I may try to move customer accounts from servers to LDAP proxy so they are not scattered around servers. For SSH I joined proxy2 to Windows domain so users can logon using their windows credentials.Then I created ssh keys and copied them to DMZ servers using ssh-copy, to enable passwordless logon once users are authenticated. Is this a good way to implement this kind of SSO?Did I miss any security issues here or maybe there is a better way ofachieving my goal?

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• Windows Server Configuration with Exchange, SQL Express and IIS

  - by Reafidy

  In our small office we are currently running a standalone tower server with WS 2008 R2, SQL Express and IIS. This server is going to be decommissioned and scrapped as its old and very noisy. We are going to purchase a new server with WS 2012 Standard and a heap of ram. It will still be a standalone server so it will be a domain controller, have SQL Express and IIS installed. We intend to install the hyper-v role and host a second virtual server to distribute the load. We are a small company and have only 15 staff members so its not a huge load on the server. Can a single server handle this type of installation, we don't want to purchase two servers. If so how should it be configured with regard to which software packages should be virtualized(if any). Redundancy is not a huge issue for us.

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• win7 amd64 guest in kvm does not have sound

  - by davidshen84

  hi, my host system is gentoo amd64, guest system is win 7 amd64. the guest system can work, except it does not have sound. i start kvm with -soundhw ac97, QEMU_AUDIO_DRV='alsa', and after i get into the guest system, i can see a 'Multimedia Audio Controller' in the device manager. but win7 cannot find the driver for it. i searched the network for a long time, and i cannot find a driver for intel ac97 for win7 amd64. i also tried -soundhw sb16, es1370, none of them work. please help me fix this.

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• Intel D510MO board - 1000Mbit LAN or not?

  - by T.J. Crowder

  The Intel forum seems to be down (signing in fails with connection refused), but perhaps someone here knows the answer. The Intel D510MO product page says that the LAN is 10/100/1000, but when I look at the NM10 chipset it uses, it says it's just 10/100 (and the detailed PDF spec here backs that up pretty definitively). I don't immediately see anything saying the D510MO has a different LAN controller than the NM10's onboard one, and it would seem odd if it did given the purpose of the board (low power, small footprint; integrated). Does this board support 1000Mbit LAN or not? Anyone have direct knowledge of it? Thanks in advance.

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• Duplicate of Certificate Templates does not appear in Certificate Template to Issue

  - by Sean

  I'm following what should be simple instructions to enable LDAP SSL on our domain controller (instructions here). Duplicating the Kerberos certificate is successful however, when attempting to select "Certificate Template to Issue", the created certificate does not appear. What gives? A long time ago, I actually completed this step on a now decommissioned DC with no problem. Our environment is Windows Server 2008 Standard, and we have two domain controllers. Only one has the role of certificate authority. I look forward to any help here, thank you ahead of time.

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• Change from IDE to AHCI after installing Windows 8

  - by Louis

  I had my drive controller configured for IDE when I installed Windows 7. This didn't change when I upgraded to Windows 8. I now need to enable AHCI, but doing so causes Windows to fail to start. It doesn't know how to automatically fix the problem. I was able to use Regedit from the recovery area, in order to try using this fix that worked for Vista. That key is missing in Windows 8, however. I read that the relevant key is now in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci. But my settings already match the changes they suggest making. How can I get Windows to boot after enabling AHCI in the BIOS?

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• Basic networking problem with Ubuntu 9.04 on Acer Extensa 5635Z laptop

  - by sapporo

  I just installed Ubuntu 9.04 on a brand new Acer Extensa 5635Z laptop, but ethernet networking does't work (wireless doesn't work either, but I'd be happy with ethernet for now). eth0 isn't listed in /etc/network/interfaces: $ cat /etc/network/interfaces auto lo iface lo inet loopback lshw does show the nic, but I can't make much sense out of the information: $ sudo lshw -class network -sanitize *-network DISABLED description: Wireless interface product: AR928X Wireless Network Adapter (PCI-Express) vendor: Atheros Communications Inc. physical id: 0 bus info: pci@0000:07:00.0 logical name: wmaster0 version: 01 serial: [REMOVED] width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix bus_master cap_list logical ethernet physical wireless configuration: broadcast=yes driver=ath9k latency=0 module=ath9k multicast=yes wireless=IEEE 802.11bgn *-network UNCLAIMED description: Ethernet controller product: Attansic Technology Corp. vendor: Attansic Technology Corp. physical id: 0 bus info: pci@0000:09:00.0 version: c0 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress vpd cap_list configuration: latency=0 *-network DISABLED description: Ethernet interface physical id: 1 logical name: pan0 serial: [REMOVED] capabilities: ethernet physical configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes Thanks for your help!

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• DFSR - What happens when one server gets maxed out?

  - by Jared

  What happens when one server in a DFSR pool maxes out its disk space? I am at the very beginning of my research in DFS/R and this struck me. I plan on implementing this on one server with RAID1 (160GB) and on another server with a RAID5 (500GB). What happens when my 1st server with 160GB disks, run out of space? Will it spill over to the 500GB server? Is it advisable at all to even have the RAID1 server in the DFSR pool? Because the RAID1 server is also my Domain Controller. Hope you guys can help me out here (OS are Win2k3R2)

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• How to separate Hyper-V Private network from the External network

  - by Ron Ratzlaff

  I am setting up a virtual test lab and I configured a domain controller VM running Windows 2008 R2 on my Hyper-V 2008 R2 server. I needed to download and install updates on it so I added an External NIC adapter and got that done. However, systems on my actual real physical domain were pulling IPs from this server and that was a big oopsy on my part so I immediately removed the External NIC adapter until I could find out how to go about keeping the Private and the External separate. If someone from the Server Fault community can help with this since I am pretty new to this, I would be very grateful. Thanks everyone.

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• Ubuntu Server 12.04 LTS on Hyper-V 2012

  - by user137533

  I have the following scenario: Hyper-V 2012 server core installation. On top of this i created a virtual machine on which i tried installing Ubuntu Server 12.04 which should not have any compatibility issues according to what Microsoft and Ubuntu are saying (although it is not officially supported). I start, run the installation and everything is ok, no problems detecting the network device or the hard drive (unlike debian which didn't even detect the hard drive). Once the installation is complete it asks me to reboot, it unmounts the "dvd drive" and reboots. Once it tries to start again i get the following error: Boot failure. Reboot and Select proper Boot device or Insert Boot Media in the selected Boot device. It seems to not be booting up from the virtual hard drive. The hard drive is set up in SCSI mode, nothing mounted on the IDE controller (no iso image or anything else. Does anyone have any ideas on what i can do to solve this?

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• Check if user password input is valid in Powershell script

  - by Doltknuckle

  I am working with a Powershell script that adds scheduled tasks to systems in our domain. When I run this script, it will prompt me for my password. I sometimes fat finger the password and the process starts, which locks out my account. Is there a way to verify my credentials to make sure that what I typed in will validate with the Domain? I'd like to find a way to query the Domain controller. I've done some Google searches and I should be able to do a WMI query and trap for an error. I would like to avoid that style of validation if possible. Any ideas? Thanks in advance.

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• Why is it that XCode cannot push my changes?

  - by Justin Case

  I am writing an iOS application in XCode. I associated a remote repository to it. I finished writing a View Controller file and then went to File - Source Control - Commit. I wrote a commit message. Oddly, every time I typed a space, an error popped up that read "1 of 2 files will be commited." I then tried to push the commit by clicking File - Source Control - Push. However, I get an error that notes that I have unsaved changes. Why? Didn't I just commit?

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• Windows NT workstation on AD domain

  - by Tom

  We run a Windows NT workstation connected to special manufacturing equipment, that everyone is deathly afraid to touch. It has custom software and special cards inside of the machine, making a rebuild impossible. The problem is, we are migrating to an AD domain from an NT domain, and this workstation stills needs access to storage on the network (AD computers). How should I go about doing this, after we get rid of our NT Domain controller? Upgrading to 2000 is not an option (so says management). I know, I know, if it dies we are in trouble. But that's managements choice, we just need to get rid of this NT domain.

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• How to make a pxe bootable 10MegaByte or larger dos image?

  - by rjt

  Would like to make a "massive" DOS floppy disk image, say 10MegaBytes or more containing all the firmware updates i need for any system, harddrive, BIOS. i do not need the DOS image to be networkable as everything will be on the PXE booted image, but networking would be nice. Since ZipDisks were attached to the floppy disk controller and were over 100MegaBytes, this should be possible. i tried a long time ago to do this and spent too much time on it only to have it fail to boot. So if someone has reliable instructions on how to create such a nightmarish beast and edit it, please let me know. One image that can used for PXE and copied to a USB stick would be a plus. Too bad manufacturers don't supply a single bootable Linux ISO containing all their firmware updates, that would be easy to boot over-the-lan and have networking. HP servers do this and it is awesome.

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• ethernet not working

  - by good boy

  i wanted to know how do i setup an ethernet connection on a laptop,my isp gave me a telephone like cable which fits the ethernet port. i guess its the ethernet cable. when i connect it, nothing happens on the pc the ethernet card(realtek pcie gbe family controller) says cable not plugged in. i am using wired connection for first time.the system is completely stable with softwares .the drivers are also automatically updated through a manufacturer installed update system. the isp says there must be some sort of light on the port. whats the problem? how do get it working.

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