AD DS Domain Controller service(NTDS)

If this service is stopped, users will be unable to log on to the network.

If this service is disabled, any servi

ces that explicitly depend on it will fail to start.Proccess: C:\Windows\System32\lsass.exe

Check Service

sc query ntds

Fix DB

esentutl /g c:\windows\ntds\ntds.dit

Toubleshoot

"there are currently no logon servers available to service the logon request"