SYMPTOMS
If the Lsass.exe process stops on a Windows NT 4.0-based computer, the domain box may be missing from the logon dialog box. If you try to log on to the local computer, you may receive the following error message:
The system can not log you on (C0000037). Please try again or consult your system administrator.
You can ping the computer from the network; however, when you use the
net command to gain access to the computer, the command does not work and you receive the following error message:
System error 6 has occurred
The handle is invalid
An event is not logged on computers that are running Windows NT 4.0 or Windows 2000.
In Windows 2000, when the Lsass.exe process stops the computer restarts after you receive the following message:
The system process LSASS.EXE terminated unexpectedly with status code X. The system will now shut down and restart.
The status code may be different depending on the conditions that caused the Lsass.exe process to stop.
RESOLUTION
You may be able to resolve this issue by installing the latest service pack or security roll-up for your version of Microsoft Windows. For additional information about how to do so, click the article numbers below
to view the articles in the Microsoft Knowledge Base:
152734 How to Obtain Windows NT Version 4.0 U.S. Service Pack
260910 How to Obtain the Latest Windows 2000 Service Pack
If the issue continues to occur, contact Microsoft Technical Support for assistance with this issue. For a complete list of Microsoft Technical Support phone numbers and information about support costs, please visit the following Microsoft Web site: