Microsoft will stop supporting Windows Server 2012 & 2012 R2 on October 10, 2023

On October 10, 2023, Microsoft will no longer provide security updates, bug fixes, or technical support for Windows Server 2012 and 2012 R2. It was launched on September 4, 2012, and based on Windows 8, which lost technical support in 2016.

November Updates may cause Windows Server hang and restart

After installing the November Updates for Windows Server, a memory leak may occur in the LSASS service, which can eventually cause domain controllers to hang and reboot. The LSASS service (short for Local Security Authority Subsystem Service) is responsible for enforcing security policies, handling token creation, password changes, and user authorization in the system.

Windows Server releases will now receive 10 years of support; Semi-Annual Channel deprecated

Microsoft deprecates the Semi-Annual Channel of Windows Server releases. The change goes live with Windows Server 2022, which will exist in the Long Term Servicing Channel (LTSC) only, and will be supported for 10 years.

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