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Event ID: 1926 Source: NTDSKCC

Source
Level
Description
The attempt to establish a replication link to a read-only directory partition with the following parameters failed.

Directory partition:
DC=mcsanetworks,DC=net
Source domain controller:
CN=NTDS Settings,CN=MCSA-DC-01,CN=Servers,CN=ALEXANDRIA-VA,CN=Sites,CN=Configuration,DC=mcsenetworks,DC=net
Source domain controller address:
16c6788b-dc2f-43f9-8abf-9d8f29f643c0._msdcs.mcsenetworks.net
Intersite transport (if any):

Additional Data
Error value: 8524 The DSA operation is unable to proceed because of a DNS lookup failure.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Comments
 
As per Microsoft: "The Knowledge Consistency Checker (KCC) created a connection object between two global catalogs or between a global catalog and a domain controller, but the KCC could not turn the connection object into a replica link because the remote server is not responding". See MSW2KDB for additional information on this event.
This is normally caused by an incorrect DNS configuration. Check your DNS settings and try to manually replicate again.

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