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  • DFS replication errors.

    Hello,

    I have just set up a domain which has two DCs. Everything seems to be working fine, however I am seeing the following errors in the event logs.

    DC01 (Primary)
    Code:
    The DFS Replication service encountered an error communicating with partner DC02 for replication group Domain System Volume. 
     
    Partner DNS address: DC02.domain.co.uk 
     
    Optional data if available: 
    Partner WINS Address: DC02 
    Partner IP Address: 192.168.0.93 
     
    The service will retry the connection periodically. 
     
    Additional Information: 
    Error: 1753 (There are no more endpoints available from the endpoint mapper.) 
    Connection ID: 7CFD7638-9D5D-47D8-87CF-18D9EAEB7D5B 
    Replication Group ID: A4AFF024-5C9F-4468-80E5-8C75B392425D
    DC02 (Secondary)
    Code:
    The DFS Replication service encountered an error communicating with partner DC01 for replication group Domain System Volume. 
     
    Partner DNS address: DC01.domain.co.uk 
     
    Optional data if available: 
    Partner WINS Address: DC01 
    Partner IP Address: 192.168.0.95 
     
    The service will retry the connection periodically. 
     
    Additional Information: 
    Error: 1753 (There are no more endpoints available from the endpoint mapper.) 
    Connection ID: 1708BEF9-FCA1-4FF5-8562-33ACEA4403F2 
    Replication Group ID: A4AFF024-5C9F-4468-80E5-8C75B392425D

    Any ideas?

  • #2
    Re: DFS replication errors.

    This may be due to Server 2008 firewall blocking high ports
    RPC mapper uses ports above 1024 (http://support.microsoft.com/kb/839880)
    Tom Jones
    MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
    PhD, MSc, FIAP, MIITT
    IT Trainer / Consultant
    Ossian Ltd
    Scotland

    ** Remember to give credit where credit is due and leave reputation points where appropriate **

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    • #3
      Re: DFS replication errors.

      Originally posted by Ossian View Post
      This may be due to Server 2008 firewall blocking high ports
      RPC mapper uses ports above 1024 (http://support.microsoft.com/kb/839880)
      Thanks, I'm giving this a try to see whether it resolves the issue.

      http://social.technet.microsoft.com/...f-db1180000f99

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