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Event ID: 1093 Source: NTDSReplication

The directory replication agent (DRA) could not apply changes to object DC=@,,CN=MicrosoftDNS,CN=System,DC=xyz,DC=example, DC=com (GUID 77d76064-f49e-4762-ba8c-324b6c518f11) because the incoming changes cause the object to exceed the database's record size limit. The incoming change to attribute 9017e (dnsRecord) will be backed out in an attempt to make the update fit. In addition to the change to the attribute not being applied locally, the current value of the attribute on this system will be sent out to all other systems to make that the definitive version. This has the effect of nullifying the change to the rest of the enterprise. The reversal may be recognized as follows: version <version>, time of change <date> <time> and USN of <number>.
As per Microsoft: "This problem occurs because Active Directory has a limitation of approximately 800 values that can be associated with a single object. To resolve this problem, obtain the latest service pack for Windows 2000". See ME267855 for more details.

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