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Evnet id 10016 - DCOM & DFS

hi

Changed some permissions on a share that were replicate offsite to another server and this appears to have caused the following error:

The machine-default permission settings do not grant Remote Activation permission for the COM Server application with CLSID
{3B35075C-01ED-45BC-9999-DC2BBDEAC171}
 to the user CHURCHHOUSE\DRadministrator SID (S-1-5-21-1960408961-884357618-839522115-4122).  This security permission can be modified using the Component Services administrative tool.

the primiary DFS server is now no longer able to replicate files to the DR server.  the DR server can though!

DFS errors:

Cannot connect to reporting DCOM server.  
  Description: Access is denied.  
  Last occurred: 23 June 2010 at 11:07:03 (GMT0:00)
  Suggested action: Verify that Windows Server 2003 R2 is installed on the server and that RPC traffic is not blocked by firewalls or port filtering. For information about troubleshooting RPC issues see RPC KB 839880.  

Server  (1 error)    (View Server Details)
  Cannot connect to reporting DCOM server.  
 
ideas as i cannot find {3b350} key in components services?
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ASKER

now getting:

Backlog calculations cannot be performed because an error occurred while the reporting mechanism attempted to retrieve version vectors from this member: Access is denied. . Version vectors are used to compare how up-to-date this server is compared to the reference server. If version vectors cannot be processed, then the backlog, if any, cannot be determined.  
  Last occurred: 23 June 2010 at 11:34:58 (GMT0:00)

after a refresh of DCOM and undo of permissions changes.
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ERRORS (There are 2 errors to report)
       
 Cannot connect to reporting DCOM server.  
  Description: Access is denied.  
  Last occurred: 23 June 2010 at 11:51:02 (GMT0:00)
  Suggested action: Verify that Windows Server 2003 R2 is installed on the server and that RPC traffic is not blocked by firewalls or port filtering. For information about troubleshooting RPC issues see RPC KB 839880.  
       
 Cannot retrieve version vectors from this member.
  Description: Backlog calculations cannot be performed because an error occurred while the reporting mechanism attempted to retrieve version vectors from this member: Access is denied. . Version vectors are used to compare how up-to-date this server is compared to the reference server. If version vectors cannot be processed, then the backlog, if any, cannot be determined.  
  Last occurred: 23 June 2010 at 11:51:02 (GMT0:00)
  Suggested action: For information about troubleshooting backlog problems, see The Microsoft Web Site.  
Take below link help.

http://www.d0tk0m.com/windows/event-id-10016-source-dcom/

http://support.microsoft.com/kb/931355

Add the administrator & network service as remote launch & activation permission,its well if you give full permission restart the com+,distributed com service.  
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ASKER

done this and still getting the initial error
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ASKER

anyone?
its now replicating fine, but its the reporting aspect that is coming up with the error:

SERVERS UNAVAILABLE FOR REPORTING  (1 server not reporting)(Hide All)
  "server"   (1 error)    (View Server Details)
  Cannot connect to reporting DCOM server.  
 
i have checked all the DCOM settings and permissions etc and all look fine.
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Awinish
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left as is...