Failed to Publish FAS Certificate Template with "RPC server unavailable. 0x800706ba"

Failed to publishFAS certificate Template with"An error occurred: CCertAdmin::GetCAProperty:RPC server unavailable. 0x800706ba". On Domain Controller,there is an error message in Event Log "RPCCAUTHNLEVELPKTINTEGRITY"and EventID is 10036...

RPC function call failed. The RPC server is unavailable. w/ Application-Aware Processing

Challenge A Backup or Replication job utilizing Application-Aware Processing fails with the error: RPC error:The RPC server is unavailable. Code: 1722 Cause Possible causes include, organized from most common to rarest: The ports that Veeam Backup & Replication is attempting to use are blocked by...