JSI Tip 2439. Windows NT 4.0 Netlogon error can be caused by missing/incorrect RPC registry value.


When you logon to a domain from Windows NT 4.0, you may receive:

The system could not log you on to this domain because the system's computer account in its primary domain is missing or the password on that account is incorrect.

Using Server Manager, or NETDOM, to reset the account has no effect on the problem.

Use Regedt32 to navigate to:

HKEY_LOCAL_MACHINE\Software\Microsoft\RPC\SecurityService

Verify the following:

Value Name: 68
Data Type: REG_SZ
Data Value: netlogon.dll
If you make a change, shutdown and restart Windows NT.

NOTE: The above error may generate the following event log entries:

Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 3224
Description: Changing machine account password for account <computername$> failed with the following error: 
             The authentication service is unknown. 

Event Type: Error
Event Source: NETLOGON
Event Category: None
Event ID: 3210
Description: Failed to authenticate with \\<domaincontroller>, a Windows NT domain controller for domain <domainname>. 

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