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Microsoft confirms memory leak in March Windows Server security update

March 25, 2024

If your Windows domain controllers have been crashing since a security update was installed earlier this month, there’s no longer any need to speculate why: Microsoft has admitted it introduced a memory leak in its March patches and fixed the issue.

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.

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