In this article we see about how to configure the Windows Time service and troubleshoot when the Windows Time service doesn’t work correctly. To check the PDC Server for Time Synchronization  and to configure the PDC master by using an internal hardware clock, follow these steps: Select Start > Run, type regedit, and then select OK.
Click HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Config\AnnounceFlags
Right-click on Announce Flags, and then select Modify. Change the type Value as A. and click OK.
Close Registry Editor.
At the command prompt, type the following command to restart the Windows Time service, and then press Enter:
net stop w32time && net start w32time
To configure an internal time server to synchronize with an external time source, follow these steps:
Change the server type to NTP. To do this, follow these steps:
Select Start > Run, type regedit, and then select OK.
Open HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters\Type
Right-click Type, and then select Modify.
