All of my replication is done using truecopy between 2 Hus Vm's
Excerpt from HCS Messages Guide:
A connection with the Common Component database cannot be established.
A connection with the Hitachi Command Suite Common Component database cannot be established. Alternatively, the Common Component database is not running.
Use the hcmdssrv command to terminate Hitachi Command Suite Common Component, and then start this component.
I would try restarting hcmdssrv, then if issue persists, I'd reboot the HCS server.
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