Plug-in cannot be unregistered or removed after admin password change

After the admin password for the vCenter that was used to register the plug-in is changed, the vCenter Plug-in cannot be unregistered or removed.
Corrective action
For plug-in 2.6, go to the vCenter Plug-in Register/Unregister page. Click the Update button to change the vCenter IP address, user ID, and password.

For plug-in 2.7 or later, update the vCenter Administrator password in mNode Settings in the plug-in.