The DNS server was unable to sign zone data changed by a scavenging update to remove stale records at node %1 in zone %2. ...

The DNS server was unable to sign zone data changed by a scavenging update to remove stale records at node %1 in zone %2. Scavenging for this zone has been aborted. This operation will be retried on the next DNS server scavenging cycle. The error code encountered during signing was %3.