Subscriber cups DBPub not authenticated - INITIATOR

[pbinojgeorge@gmail.com]

Getting an error message on IM and Presence (12.0)

Error Occured While retrieving information from database.The connection to the CUCM Publisher is down

And not able run the Cisco Sync Agent service 

Please advise

[Jonathan Schulenberg]

https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200396-Steps-to-Troubleshoot-Database-Replicati.html

[pbinojgeorge@gmail.com]

Thanks for your help