Lsass exe service

But you can use it to determine where to investigate to find the exact cause. When facing high CPU usage by Lsass. It shows general performance concerns. Also examine the Active Directory category. It details what actions the domain controller is busy doing at that time. For example, what LDAP queries are affecting performance.

Domain controllers are often most effected by remote queries from computers in the environment asking expensive queries. Or they are subject to a higher volume of queries. The Network portion of the report is useful to determine the remote clients that are communicating most with the domain controller while the diagnostic was gathering data. It's responsible for providing Active Directory database lookups, authentication, and replication.

For more information about how to troubleshoot high CPU usage of the Lsass. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode. How to troubleshoot high Lsass. Antivirus programs can detect and clean this file if it has become infected. Because this file is part of Microsoft Windows users should never delete or remove this file if they think it is infected, let the antivirus program handle it.

As mentioned in Microsoft Security Bulletin MS , this file contains known security vulnerabilities. Make sure your computer is up-to-date with all the latest Microsoft Windows updates.

Finally, the files and processes: isass. If you see these files on your computer or listed in the Task Manager processes your computer is infected with the Sasser worm. See steps below for additional information about cleaning the computer from this file. When attempting to End Task lsass. If your computer continuously reboots because of the lsass. If you need to reboot the computer because of updates that were installed on your computer, it's ok to reboot the computer. However, you may need to run shutdown -a again to prevent the computer from automatically restarting again.