Event ID 6521 — DNS Server Informational Events
Applies To: Windows Server 2008 R2
These event are informational only, and they do not signify any health state of the DNS server. These events are logged when the server is operating normally.
|Product:||Windows Operating System|
|Message:||Zone %1 is synchronized with version %2 of the zone as provided from the master server at %3.|
This is a normal condition. No further action is required.