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Bug Causes Windows Server Systems to Freeze and Restart

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Bug,Windows Server,Freezing

Reports of the bug poured in across recent days as sysadmins reported Windows Server systems freezing and restarting. Microsoft has since confirmed the issue is to do with the Local Security Authority Subsystem Service process on Windows Server 2012 R2 (no longer under support), 2016, 2019 and 2022. The issue is being triggered"when on-premises and cloud-based Active Directory Domain Controllers service Kerberos authentication requests," Microsoft noted in posts detailing known issues with its Server OS, including "Extreme memory leaks may cause LSASS to crash, which triggers an unscheduled reboot of underlying domain controllers," Redmond noted, adding that the root cause has been identified and a patch will be issued in coming days. Until you install that fix, the only way to prevent a domain controller from crashing is to monitor its memory usage and keep an eye out for leaks

Reports of the bug poured in across recent days as sysadmins reported Windows Server systems freezing and restarting. Microsoft has since confirmed the issue is to do with the Local Security Authority Subsystem Service process on Windows Server 2012 R2 (no longer under support), 2016, 2019 and 2022.

The issue is being triggered"when on-premises and cloud-based Active Directory Domain Controllers service Kerberos authentication requests," Microsoft noted in posts detailing known issues with its Server OS, including "Extreme memory leaks may cause LSASS to crash, which triggers an unscheduled reboot of underlying domain controllers," Redmond noted, adding that the root cause has been identified and a patch will be issued in coming days. Until you install that fix, the only way to prevent a domain controller from crashing is to monitor its memory usage and keep an eye out for leak

Bug Windows Server Freezing Restarting Local Security Authority Subsystem Service Kerberos Authentication Memory Leaks Domain Controller

 

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