[alert]I use the Error Series to track the solution to common issues that are easy to forget. They are as much for my memory as public consumption.[/alert]
Unable to notify “SERVER_NAME”. Reason: The requested name is valid, but no data of the requested type was found
Unreachable servers in the database table, likely during a database upgrade or migration.
Update table dbo.QUEUE_CONSUMERS in the Content Manager database setting all inactive/unreachable servers IS_ONLINE value to Zero.