The Knowledge Consistency Checker (KCC) has detected problems with the following directory partition.
Directory partition:
CN=Configuration,DC=domainname,DC=co,DC=uk
There is insufficient site connectivity information in Active Directory Sites and Services for the KCC to create a spanning tree replication topology.
Or, one or more domain controllers with this directory partition are unable to replicate the directory partition information. This is probably due to inaccessible domain controllers. |
Cause:
Two possible causes, either you have VPN's connecting all the sites and there is an MTU problem OR there is a dead domain controller that the other domain controllers cannot see.
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Fix:
1. Install Security Update for Windows Server 2003 (KB913446)
2. Added the following DWORD values under HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\TCPIP\Parameters:
Value name: EnablePMTUBHDetect
Value: 1
Value name: MTU
Value: 1360
4. Open Active Directory Sites and Services - expand everything and make sure there are no domain controllers listed that no longer exist, either as servers or displayed on a replication link.
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Comments:
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