I am having an ongoing issue with Network and server time continuously getting skewed and causing massive issues across the network. this is a newly deployed Hyper V virtual environment on a host server running Server 2008 R2 Datacenter.
We have statically set the Primary Domain Controller to get time from the national time institute, and all other servers and workstations on the network are configured to pull time from the PDC by either registry setting (servers) or by means of a login script (workstations).
some days everything is fine others, time gets skewed normally by about 13-15 minutes, however; today after having to put out several fires regarding authentication issues, email acess issues and even 1 workstation that would not allow the user to log in, I found the host server to be off by a time interval of almost 40 minutes.
I am at my wits end with all of this as nothing I have set or done seems to resolve the issue permanently.