[VMware vCenter – Alarm alarm.HAhostStatus] vSphere HA detected that host Hostname is in a different network partition than the master Cluster_Name in PRODUCTION [VMware vCenter – Alarm alarm.HAhostStatus] vSphere HA detected that host Hostname is in a different network partition than the master Cluster_Name in PRODUCTION By Shanino Rodrigues | September 24, 2014 | Comments 0 Comment When you are getting such alerts from Vcenter Check the Mgmt Connectivity. Restart the management service.