There are certain operations that can be performed on a controller cluster. You should always change the default password for controller clusters to ensure data security.
To change the passwords on a controller cluster:
- Log in to the vSphere web client and navigate to  Home | Networking & Security | Installation.
- The Management tab shows the list of controllers. Pick one whose password needs to be changed. It is recommended that all three controllers have different passwords.
- Click Actions | Change Controller Cluster Password:
- Enter a new password and click OKÂ when done.
The control plane remains unaffected in the event a single NSX controller fails. However, VMware recommends redeploying the entire cluster and using the Update Controller State mechanism to synchronize the state of the controller cluster.
The Update...