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Windows Server 2000/2003 Thread, Domain Controller not reading mapped drive! in Technical; Good morning all! I hope you're all having a better morning than me anyway!! I have a Dell Power Edge ...
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    gloriousglenn's Avatar
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    Domain Controller not reading mapped drive!

    Good morning all!

    I hope you're all having a better morning than me anyway!!

    I have a Dell Power Edge 2850 acting as a Domain Controller, and a Dell Power Edge 2850 with a Dell Power Vault 220S acting as a file server.

    There is a drive ( N: ) from the file server that is in My Network Places on the to the DC and shows up as Data on Dms-file01. However, all of a sudden, without anything being done, the DC seems to be acting strange! I logged on as normal and it just froze. I left it for about 10 minutes just in case it was being stubborn, but it still just hung there. So I rebooted the DC. On reboot there didn’t seem to be any connection between the domain controller and the file server. If I click on My Network Places and click on the 'Data on Dms-file01' folder I get the following error message:

    "\\Data on Dms-file01 is not accessable. You might not have permission to use the network resource. Contact the administrator of this server to find out if you have access permissions.

    No network provider accepted the given netwrk path"

    I definately have permission...I'm logged in as the administrator (and I've tried a back up logon too!)!

    If I click on Add Network Place and try and use the wizard it freezes once I click ‘Next’ and it shows as ‘Not Responding’ in Task Manager and all I can do is ‘End Task’.

    I can access the N: from the file server directly, so I know that data is preserved and safe! But the domain controller can't see it for some reason and consequently means that all of the client machines can't view it either.

    ANY help would be greatly appreciated as I am getting whinged at (to put it very politely!) about this! Please bear in mind that I am by no means a network guru, and unfortunately I am a one man team. I know some basics and my instinct is telling me to rebuild the domain controller just to try and get the network back online so that people can access the data. However, I run the risk of screwing it up completely that way and was hoping that you guys on EduGeek can save me (yet again!).

    Thanks for looking
    Glenn

    P.S. The Dell Gold Support ran out in January and my 'small' company (the RAF!!) told me I had to run it ‘at risk’. Well there’s a big risk that we have to cease training now, and that is a heck of a risk!!
    Last edited by gloriousglenn; 17th July 2009 at 09:14 AM.

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    To me it sounds like your file server has lost it's network connection at some stage and the DC is freezing trying to look for it, before you attempt any "rebuilds" I would reboot the file server.

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    gloriousglenn (18th August 2009)

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    gloriousglenn's Avatar
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    I tried that.

    I even shut them both down overnight and rebooted this morning. No joy

    It shouldn't make any difference which one is booted up first, should it?

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    DC first to get the network up and running and provide things like dhcp etc

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    gloriousglenn (18th August 2009)

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    Can you ping one from the other?

    Can you check that both of them are showing as connected in Control Panel \ Network Connections?

    Check their IP's are set correctly ^

    I wouldn't rebuild anything yet.

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    gloriousglenn (18th August 2009)

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    gloriousglenn's Avatar
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    I get "Destination host unreachable" going from either one to the other.

    Network Connection folder on the DC is empty! If I click on 'Create a new connection' the wizard dialogue box appears but the 'egg timer' just hangs there.

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    I assume on the fileserver the network connection is populated and in theory from a client you can ping this?

    Ok, so the DC's lost it's network cards, check Control Panel > System > Hardware > Device Manager - Are they in there?

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    gloriousglenn (18th August 2009)

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    The client machine let me log onto the network (which is one thing I suppose!) but when I tried pinging from the client to both the FS and the DC they both came back "Request timed out".

    Control Panel > System > Hardware > Device Manager > Network adaptors > Intel(R) PRO/1000 MT Network Connection & Intel(R) PRO/1000 MT Network Connection #2

    Both are showing as "This device is working properly" (I also checked the FS and that's the same too).

    Last edited by gloriousglenn; 17th July 2009 at 09:15 AM.

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    If the client can't ping the Fileserver either yet the file server has network connections listed and working, is the switch between the DC and FS powered up/working?

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    gloriousglenn (18th August 2009)

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    The switches are all on and all green lights flickering away. I have also checked the Cat5 cables coming out of the back of the DC & FS and the grren light is on and the orange light blinking.

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    OK, on both of them, click start, run, type cmd and press enter.

    In there, type ipconfig /all and see if it all looks OK.

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    gloriousglenn (18th August 2009)

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    I got to admit, I wouldn't see a problem here if it jumped out in red letters and screamed in my face whilst pulling at my ears!!

    I get the following responses:

    Domain Controller

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : DMS-DC01
    Primary Dns Suffix . . . . . . . : Rafms-Net.com
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : Rafms-Net.com

    Ethernet adapter Pipex:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection #2
    Physical Address. . . . . . . . . : 00-13-72-63-2D-88
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Autoconfiguration IP Address. . . : 169.254.80.74
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :

    Ethernet adapter DMSNet:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection
    Physical Address. . . . . . . . . : 00-13-72-63-2D-87
    DHCP Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.10.3
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 192.168.10.3
    192.168.10.4

    C:\Documents and Settings\Administrator.RAFMS-NET>



    File Server

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : DMS-FILE01
    Primary Dns Suffix . . . . . . . : Rafms-Net.com
    Node Type . . . . . . . . . . . . : Broadcast
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : Yes
    DNS Suffix Search List. . . . . . : Rafms-Net.com

    Ethernet adapter Local Area Connection 2:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection #2
    Physical Address. . . . . . . . . : 00-11-43-D7-DF-5B
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Autoconfiguration IP Address. . . : 169.254.177.95
    Subnet Mask . . . . . . . . . . . : 255.255.0.0
    Default Gateway . . . . . . . . . :

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection
    Physical Address. . . . . . . . . : 00-11-43-D7-DF-5A
    DHCP Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 192.168.10.4
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . :
    DNS Servers . . . . . . . . . . . : 192.168.10.4
    192.168.10.3

    C:\Documents and Settings\Administrator.RAFMS-NET>

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    The lack of a default gateway concerns me a little (do these boxes have internet access?), but I wouldn't have expected it to cause this.

    When you're pinging one from the other, does it correctly resolve the IP address 192.168.10.3 and 4?

    Might be worth giving the switch a reboot for good measure to see if that does cure it but I'd be wondering why the DC has no network connections listed in control panel but seems ok in the ipconfig output.

    Checked both firewalls are off etc?

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    gloriousglenn (18th August 2009)

  21. #14
    sjl
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    Kmount is right you have no default gateway – assuming your DC is your DNS server and all your clients are setup to reference your DC for DNS requests then recursion is probably not working. This would probably go unnoticed if you are using a proxy server for your internet – and like he said would not cause this problem but its something to look at in the future.

    I would go into device manager and remove the network cards and then scan for new hardware, let them reinstall – see if you get them back in the network connections control panel after that

    Remember your TCP / IP setting though as you will have to enter these again. You have the setting on this page anyhow to referback to.
    Last edited by sjl; 17th July 2009 at 10:19 AM.

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    gloriousglenn (18th August 2009)

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    Simple solution to this problem is to restart your "Server" service.

    To do this run this in a batch script!

    @echo off
    net stop lanmanserver
    net start lanmanserver
    exit

    But after reading the other posts im not quite sure about that! Given you have done a reboot etc.

  24. Thanks to danrhodes from:

    gloriousglenn (18th August 2009)

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