VMWare – HA error when upgrading from ESX 4.1 to ESXi 5

After upgrading (Migrating) an ESX 4.1 host to ESXi 5 in a vSphere cluster, the host had a HA  error.  When reconfiguring the Host for HA got the following error: Cannot complete the configuration of the vSphere HA agent on Continue reading VMWare РHA error when upgrading from ESX 4.1 to ESXi 5