1. Make sure the replication Schedule is not set to “Automatic”. : Done !
2. Make sure Liveupdate schedule is NOT set to “Continuous” or “Every 4 hours” & Replication should not overlap with scheduled Liveupdate session. Done !
3. Lower the count of Content revisions in the Liveupdate settings. Done !
4. Ensure Windows Firewall is deactivated on the both SEPM for all the levels (Public network, Private Network, Domain Network). Done !
5. Port 8443 is not already in use and allowed for the both SEPMs. Done !
6. The certificate of the both SEPMs are valid. Done !
7. Live Update should never run continuously,make sure it's not conflicting with SEPM replication time. Done !