The purpose of this article is to resolve Error - operation time out while configuring HA.
Symptoms:
- Cannot reconfigure HA on a cluster.
- Reconfiguring HA on a cluster fails.
- You see the errors:
Operation timed out
or
Cannot find vSphere HA master agent
when there are no networking or other issues preventing host to host communication within the cluster
- Removing the ESX host from the cluster and then adding it again to the cluster does not resolve the issue
- You see this error in the Task Details pane in vCenter Server:
Status: Operation timed out.
- You may see these related events:
-
- vSphere HA agent on <<Host's Name>> in cluster <<Cluster's Name>> in <<Datacenter's Name>> is disabled
- The vSphere HA availability state of the host <<Host's Name>> in cluster <<Cluster's Name>> in <<Datacenter's Name>> has changed to Uninitialized
- The vSphere HA availability state of the host <<Host's Name>> in cluster <<Cluster's Name>> in <<Datacenter's Name>> has changed to Initialization Error
- vSphere HA agent for host <<Host's Name>> has an error in <<Cluster's Name>> in <<Datacenter's Name>>: vSphere HA agent cannot be correctly installed or configured