Net Logon service - enabling debug logging (dbflag)

Enabling the net logon service debug logging can be done using the nltest command.

example: nltest /dbflag:0x00000004 - logon processing

after you modify the flug restart net logon service.

logfile can be found in %windir%\debug\netlogon.log



After the debugging is finished, you can reset the debug flag to zero by running:

nltest /dbflag:0x0

don't forget to restart net logon service.


full list of dbflag codes cen be found on technet.