Time inaccuracy cause Group Policy setting can not be read be client
Problem:Recently one computer can’t update the new configured group policy.
After troubleshooting the network connectivity, OU setting, still not resolved.
Then read the Event Viewer:
In the windows log > system > found the Security-Kerberos , KRB_AP_ERR_TKT_NYV error, which said the time of the client is different from the KDC.
Resolution:
Sync the time of the client to the NTP server or manually set it first.
If you can not find the sync with internet in the control panel, time . Use the Command w32tm /resync
Make sure the service Windows time is running, click start menu, type services.msc , hit enter.
Referecne
https://technet.microsoft.com/en-us/library/bb491016.aspx