Microsoft has released emergency out-of-band (OOB) updates to address several issues caused by Windows updates released during the January 2021 patch on Tuesday.
“Microsoft is releasing out-of-band (OOB) updates today, January 18, 2022, for certain versions of Windows,” the company said.
“This update resolves issues with VPN connectivity, restarting Windows Server domain controllers, virtual machine startup failures, and ReFS-formatted removable media failure to mount.”
All OOB updates released today can be downloaded from the Microsoft Update Catalog, and some of them can also be installed directly through Windows Update as optional updates.
You will need to manually check for updates if you want to install emergency patches through Windows Update, as these are optional updates and will not install automatically.
The following updates can only be downloaded and installed through the Microsoft Update Catalog:
Updates for these versions of Windows are also available through Windows Update as an optional update:
- Windows 11, version 21H1 (original release): KB5010795
- Windows Server 2022: KB5010796
- Windows 10, version 21H2: KB5010793
- Windows 10, version 21H1: KB5010793
- Windows 10, version 20H2, Windows Server, version 20H2: KB5010793
- Windows 10, version 20H1, Windows Server, version 20H1: KB5010793
- Windows 10, version 1909, Windows Server, version 1909: KB5010792
- Windows 10, version 1607, Windows Server 2016: KB5010790
- Windows 10, version 1507: KB5010789
- Windows 7 SP1: KB5010798
- Windows Server 2008 SP2: KB5010799
Windows January Updates Issues and Fixes
As BleepingComputer reported after this month’s Patch Tuesday, the latest Windows Server updates were causing a series of serious problems for administrators.
According to admin reports, Windows domain controllers were plagued with spontaneous reboots, Hyper-V no longer started on Windows servers, and Windows Resilient File System (ReFS) volumes were no longer accessible after the updates were deployed. updated January 2021.
Windows 10 users and administrators have also reported issues with L2TP VPN connections after installing recent Windows 10 and Windows 11 cumulative updates and seeing “Unable to connect to VPN”. Errors.
Those who can’t immediately install today’s out-of-band updates can remove updates KB5009624, KB5009557, KB5009555, KB5009566, and KB5009543 causing these issues from an elevated command prompt with the following commands:
Windows Server 2012 R2: wusa /uninstall /kb:KB5009624 Windows Server 2019: wusa /uninstall /kb:KB5009557 Windows Server 2022: wusa /uninstall /kb:KB5009555 Windows 10: wusa /uninstall /kb:5009543 Windows 11: wusa /uninstall /kb:5009566
However, since Microsoft also bundles all security updates with these Windows Cumulative Updates, removing them will also remove any patches for vulnerabilities fixed in Patch Tuesday of January 2021.
Windows administrators and users should consider the risk of unpatched vulnerabilities affecting their systems versus the disruption caused by issues resulting from this month’s Windows updates.
- Microsoft releases OOB updates for January Windows Update issues
- New Windows Server Updates Cause DC Boot Loops, Break Hyper-V
- Windows Server 2019 OOB update fixes reboots, Hyper-V and ReFS bugs
- Microsoft pulls new Windows Server updates due to critical bugs
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