I recently started having problems with NTP sync on my MiCollab 7.1 server. My other Mitel servers (2 - 3300's, vMCD, 2 - MBG's) all are syncing fine with an internal, Microsoft Windows 2012 R2 domain controller as the NTP time source. My MiCollab server is pointing to the same IP address as the rest, but it shows .LOCL. as the 'refid' and does not have an asterisk (*) in front of the server name; it continues to gain time. I changed it to manual mode and reset the time overnight as it was 3+ minutes ahead of the other servers, workstations and NTP domain controller source on the network. I also rebooted the server after changing it back to automatic (use NTP) instead of manual. This hasn't worked. I can periodically query the NTP source from the Date and Time page in the management gui and see that it is gaining time. Does anyone have any suggestions of how to correct this problem? The only change in the environment was moving from windows server 2008 r2 domain controllers to windows 2012 r2 domain controllers which occurred several months ago.