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Replication issue with the RODC

    Question

  •  Hi,

     Currently we 4 domain controller ( 2 main & 2 backup site ) and 8 RODC  site . we had implement the static ports for the replication .

    When we are the dcdiag command and we are getting following error message in the output

    RPC connectivity failed only the RODC site .

    See DNS test in enterprise tests section for results error 53.

    LDAP error 81 (Server Down) Win32 Err 58.

    Monday, December 26, 2016 9:59 AM

Answers

  • Hi,
    You could run the following files on each DC for more details, and you could go to event viewer to find related event logs:
    ipconfig /all >c:\ipconfig.txt
    dcdiag /v /c /d /e /s:dcname >c:\dcdiag.txt
    repadmin /showrepl dc* /verbose /all /intersite >c:\repl.txt 
    According to the information from you, in my experience, most cases are that there is a firewall issue which is preventing replication. If that is the case, you could temporally turn off the firewall on each DC to see if it helps.
    Best regards,
    Wendy

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

    Tuesday, December 27, 2016 3:10 AM
    Moderator

All replies

  • Hi,
    You could run the following files on each DC for more details, and you could go to event viewer to find related event logs:
    ipconfig /all >c:\ipconfig.txt
    dcdiag /v /c /d /e /s:dcname >c:\dcdiag.txt
    repadmin /showrepl dc* /verbose /all /intersite >c:\repl.txt 
    According to the information from you, in my experience, most cases are that there is a firewall issue which is preventing replication. If that is the case, you could temporally turn off the firewall on each DC to see if it helps.
    Best regards,
    Wendy

    Please remember to mark the replies as answers if they help.
    If you have feedback for TechNet Subscriber Support, contact tnmff@microsoft.com

    Tuesday, December 27, 2016 3:10 AM
    Moderator
  • Hello,

    Please check that RPC service is running and that both DNS & NetBIOS resolve to the correct IP address of the RODC and that the firewall is disabled and/or ports open.


    Miguel Fra
    Falcon IT Services
    https://www.falconitservices.com

     

    Tuesday, December 27, 2016 5:53 AM
  • Please find the output of dcdiag 

    Ldap search capabality attribute search failed on server NTNE1UA1, return

      value = 81
       Got error while checking if the DC is using FRS or DFSR. Error:

       Win32 Error 81The VerifyReferences, FrsEvent and DfsrEvent tests might fail

       because of this error. 

       Ldap search capabality attribute search failed on server NTWR1UA1, return

       value = 81
       Got error while checking if the DC is using FRS or DFSR. Error:

       Win32 Error 81The VerifyReferences, FrsEvent and DfsrEvent tests might fail

       because of this error. 

     Testing server: RTAMC-NE1-SITELINK\NTNE1UA1

          Starting test: Connectivity

             * Active Directory LDAP Services Check
             Got error while checking LDAP and RPC connectivity. Please check your

             firewall settings.

             ......................... NTNE1UA1 failed test Connectivity

    Tuesday, December 27, 2016 9:28 AM
  • could you run  replmon and forced the replication from a specific DC to a specific  RODC, and check the event viewer on that DC for error.

    Tuesday, December 27, 2016 11:34 AM
  • Hi,

    Make sure all the required ports are opened for the replication.

    https://technet.microsoft.com/en-us/library/dd728028(v=ws.10).aspx


    Regards Sajin P S

    Tuesday, December 27, 2016 2:21 PM