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  1. #1
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    Unable to join Windows server 2012 r2 domain

    [ I'm using two vbox machines one machine is win7 and other win server 2012 r2 Vbox network settings internal. When I try to join the domain it get the following message An Active directory Domain Controller (AD DC) could not be contacted. I have done ipconfig/all if it helps


    C:\Users\Administrator>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : SERVER2012VM_SH
    Primary Dns Suffix . . . . . . . : nwk305sh.local
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : nwk305sh.local

    Ethernet adapter Ethernet:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Desktop Adapter
    Physical Address. . . . . . . . . : 08-00-27-50-1C-3F
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv4 Address. . . . . . . . . . . : 10.1.10.2(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.0.0.0
    Default Gateway . . . . . . . . . : 10.1.10.1
    DNS Servers . . . . . . . . . . . : 10.1.10.2
    10.1.10.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Win7 ipconfig
    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : NWK305sh.local
    IPv4 Address. . . . . . . . . . . : 10.1.10.100
    Subnet Mask . . . . . . . . . . . : 255.0.0.0
    Default Gateway . . . . . . . . . : 10.1.10.1

    Tunnel adapter isatap.NWK305sh.local:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : NWK305sh.local

    C:\Users\Win7-SH>
    Last edited by stu22; 2017-02-05 at 21:28.

  2. #2
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    How did you get those IP settings on the server? The box is pointing to itself so will never see the rest of the network.
    The W7 box is pointing to the server that doesn't connect to the domain, so it won't work either.

    On the W7 box try changing the network to automatically obtain IP address and then send us the ipconfig details.

    cheers, Paul

  3. #3
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    It looks like you might need to configure your DNS settings. You need a DNS server that the Windows machines can add their information to. The easiest way to do that is add the DNS role to your Server 2012 box and make sure all PCs (and the server) on the network use that as their DNS server. Then you configure the DNS server role to forward lookups for anything it doesn't know to your ISP.

    What DNS server is your Win 7 client using?

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