Modifying The vCenter Administrator Login
In OpenManage Integration for VMware vCenter, on the Summary tab, use the link to open the Administration Console.
In the Login dialog box, type your password.
In the left pane, click VCENTER REGISTRATION. The registered vCenters are displayed in the right pane. To open the Modify Admin Acct window, under Credentials, click Modify.
Enter the vCenter Administrator User Name, Password, and Verify Password; the passwords must match.
To change the password, click Apply, or to cancel the change click Cancel.