Job Monitoring Database Server uses 9452. This is one of the data servers that the Backup and Recovery Tool documentation refers to as "solution data servers".
Step 4. Stop all servers and services except the SAS Metadata Server, SAS Web Infrastructure Platform Data Server (all instances, including all solution data servers, as well), and SAS Deployment Agent (all instances).
SAS Help Center: Performing a Recovery Using the Deployment Backup and Recovery Tool
So make sure all * Data Server and * Database Server instances are started.
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