You can update the vCenter Server association settings of an ACOS (VMware ESXi) cluster.
Prerequisite
At least one data center and one cluster should exist in vCenter.
Procedure
Click a cluster to access its page, then select Settings from the tab bar, and select vCenter Server.
Click Update to modify the following information.
Click Connect.
The system will authenticate the vCenter address, username, and password. The association will be successful once the authentication is validated.