Got some errors when I tried to run adprep /rodcprep stating that the adprep could not contact a replica for the NDNC DomainDNSZones and ForestDNSZones.

Adprep could not contact a replica for partition DC=DomainDnsZones,DC=corp,DC=secid,DC=se
Adprep failed the operation on partition DC=DomainDnsZones,DC=corp,DC=secid,DC=se Skipping to next partition.
…
Adprep failed the operation on partition DC=ForestDnsZones,DC=corp,DC=secid,DC=se Skipping to next partition.
Adprep completed with errors. Not all partitions are updated.

In my case it was because a Domain Controller recently had crashed and they were forced to do a metadata cleanup and seize the FSMO roles to a new DC. Continue reading →