Setting Up the NTP Servers
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 APPLIANCE MANAGEMENT.
Click Edit for NTP.
Select the Enabled check box. Enter the host name or IP address for a Preferred and Secondary NTP Server and click Apply.
To exit, click Cancel.