1. Настраиваем сервер времени по инструкции
support.microsoft.com/kb/8160422. Если не синхронизируется (Computer did not resync because no time data was available), проверяем политики
This behavior will occur if a GPO (G roup P olicy O bject) for a Windows Time Service object is configured incorrectly.
01. Start / Run / dsa.msc / OK .
02. Right-click the Domain Controllers container and press Properties .
03. Select the Group Policy tab.
04. Select the Default Domain Controllers Policy and press Edit . If GPMC is implemented, press Open first.
05. Expand Computer Configuration / Administrative Templates / System / Windows Time Service .
06. Right-click Global Configuration Settings and press Properties .
07. Select Not Configured .
08. Press Apply and OK .
09. Expand Windows Time Service .
10. Double-click Enable Windows NTP Client .
11. Select Not Configured .
12. Press Apply and OK .
13. Double-click Configure Windows NTP Client .
14. Select Not Configured .
15. Press Apply and OK .
16. Double-click Enable Windows NTP Server .
17. Select Not Configured .
18. Press Apply and OK .
19. Exit the Group Policy Editor .
20. Close any open policy dialog boxes.
21. Open a CMD.EXE window.
22. Type gpupdate /force and press Enter .
3.Патч для коррекции зон в связи с отменой перехода на летнее время:
support.microsoft.com/gp/cp_dst/ru4. Интересные статьи по службе времени в Win:
blogs.msdn.com/b/w32time/