Event ID 1925: Attempt to establish a replication link failed due to DNS lookup problem

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Applies To: Windows Server 2003, Windows Server 2003 R2, Windows Server 2003 with SP1, Windows Server 2003 with SP2

If you receive event ID 1925 with the error message that Domain Name System (DNS) lookup failed, inbound replication of a directory partition has failed on the destination domain controller, and you must fix the DNS problem.

An example of the event text is as follows:

Event Type:Warning
Event Source:NTDS KCC
Event Category:Knowledge Consistency Checker 
Event ID:1925
Date:3/24/2005
Time:9:15:46 AM
User:NT AUTHORITY\ANONYMOUS LOGON
Computer:DC3
Description:
The attempt to establish a replication link for the following 
writable directory partition failed. 

Directory partition: 
CN=Configuration,DC=contoso,DC=com 
Source domain controller: 
CN=NTDS Settings,CN=DC1,CN=Servers,CN=Default-First-Site-Name,CN=Sites,CN=Configuration,DC=contoso,DC=com 
Source domain controller address: 
f8786828-ecf5-4b7d-ad12-8ab60178f7cd._msdcs.contoso.com 
Intersite transport (if any): 

This domain controller will be unable to replicate with the 
source domain controller until this problem is corrected.  

User Action 
Verify if the source domain controller is accessible or 
network connectivity is available. 

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

Solution

Proceed with DNS testing as described in "Event ID 2087: DNS lookup failure caused replication to fail."