The DNS server log for the promoted domain controller may contain events that are similar to the following:
Event Type: Information
Event Source: DNS
Event Category: None
Event ID: 4502
Description:
The DNS added the local Active Directory to the replication scope of Application Directory Partition DomainDnsZones.Domain_Name. The distinguished name of the root of this Directory Partition is DC=DomainDnsZones,DC=Domain_Name,DC=com.
Event Type: Information
Event Source: DNS
Event Category: None
Event ID: 708
Description:
The DNS server did not detect any zones of either primary or secondary type during initialization. It will not be authoritative for any zones, and it will run as a caching-only server until a zone is loaded manually or by Active Directory replication. For more information, see the online Help.
Event Type: Information
Event Source: NTDS Replication
Event Category: Replication
Event ID: 1226
Description:
The following object was created on a remote domain controller with an object name that already exists on the local domain controller.
Object:
CN=MicrosoftDNS,DC=DomainDnsZones,DC=Domain_Name,DC=com
Object GUID:
ff4bb5db-5fcc-4afe-b936-5836ea0d5315
Existing object GUID:
9d0fcccc-ee26-4818-b24c-8b0e6fa0173f
The object with the following GUID will be renamed since the other object had this name more recently.
Object GUID:
ff4bb5db-5fcc-4afe-b936-5836ea0d5315
Renamed object name:
MicrosoftDNS
CNF:ff4bb5db-5fcc-4afe-b936-5836ea0d5315