nltest /dbflag:0x2080ffff
Net Stop Netlogon
Net Start NetLogon
after you restart Net Logon, Net Logon-related activity will be logged to %windir%\debug\netlogon.log
Note: Nltest is included as part of Windows Server 2008 and is also available as part of the Support Tools packages on the installation media for Windows Server 2003
And After you finish debugging, you can run nltest /dbflag:0x0 command from a command prompt to reset the debug flag to 0.
Net Stop Netlogon
Net Start Netlogon
https://community.spiceworks.com/topic/386033-hundreds-of-4625-errors-on-my-network