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Thread: the box indicating that this domain contoller is the last controller for the domain is unchecked

  1. #1
    Join Date
    Aug 2006
    Posts
    121

    the box indicating that this domain contoller is the last controller for the domain is unchecked

    I am using Windows 2003 SP2 server DC. I have added another server to the domain and made it a domain controller. I want to demote the present server but I am getting an error message that says "the box indicating that this
    domain contoller is the last controller for the domain is unchecked. However
    no other active directory controllers for the doman can be contacted." I can replicate and ping the other server and I have the DNS servers set for itself and the other server but it still cant find it. I have done the R2 tools, adprep, forest prep, etc? What can I do to see the other domain controller? Also, I am getting Event ID 1126 Active Directory was unable to establish a connection with the global catalog but I am able to connect to the dc. Can anyone help me? Thanks

  2. #2
    Join Date
    Aug 2006
    Posts
    201

    re: the box indicating that this domain contoller is the last controller for the domain is unchecked

    Could you please try to post an unedited ipconfig /all from both the DCs.

  3. #3
    Join Date
    Jan 2006
    Posts
    7,110

    re: the box indicating that this domain contoller is the last controller for the domain is unchecked

    Also, if you do not have the support tools installed, then you can install it from your server install disk, located at d:\support\tools\setup.exe. After that run dcdiag, netdiag and repadmin in verbose mode and follow the below suggestions:

    1. DCDIAG /V /C /D /E /s:yourdcname > c:\dcdiag.log
    2. netdiag.exe /v > c:\netdiag.log (On each dc)
    3. repadmin.exe /showrepl dc* /verbose /all /intersite > c:\repl.txt
    4. dnslint /ad /s "ip address of your dc"

    The description and download for dnslint can be found in the link below:
    http://support.microsoft.com/kb/321045

  4. #4
    Join Date
    Oct 2005
    Posts
    2,358
    Are you still getting any error messages in either DC's event log or so? Have you tried to run dcdiag and not get any kind of errors? You can also try the below on both dc's from the command prompt:
    netdiag /test:dclist /debug

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