This procedure resolves the HA failover issue by restarting the cmha process on the server.
Log into the server CLI, use the SSH command (on UNIX systems – or putty if running on Windows) to log into the NOAM server which is experiencing the HA failover issue.
ssh admusr@<server address>
password: <enter password>
Answer yes if you are asked to confirm the identity of the server.
Resolve HA failover issue(s), run the command:
sudo pm.kill cmha
Repeat procedure on each affected server, if required. Return to procedure/step in upgrade process which pointed to refer this procedure.