Dell POWEREDGE M1000E - Manual (Page 304)

304 Managing General System Settings
SNTP Authentication
Use the SNTP Authentication page to enable or disable SNTP
authentication, to modify the authentication key for a selected encryption key
ID, to designate the selected authentication key as a trusted key, and to
remove the selected encryption key ID.
Click System → Time Synchronization → SNTP Authentication in the
navigation panel to display the SNTP Authentication page.
Figure 11-21. SNTP Authentication
Adding an SNTP Authentication Key
To configure SNTP authentication:
1 Open the SNTP Authentication page.
2 Click the Add link.
The Add Authentication Key page displays:
NOTE: The SNTP server must be configured with the same authentication
information to allow time synchronization to take place between the two devices.