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Microsoft has pulled the January Home windows Server cumulative updates after important bugs brought about area controllers to reboot, Hyper-V to not work, and ReFS quantity programs to come to be unavailable.
Tuesday, Microsoft introduced the January 2022 Patch Tuesday updates for Home windows Server that consists of many protection updates and bug fixes.
Microsoft pulls Home windows Server updates
Quickly immediately after Microsoft released this week’s Windows Server updates, admins who installed them commenced reporting that they encountered numerous significant issues.
These problems incorporated area controllers likely via an infinite reboot loop, ReFS volumes getting inaccessible and exhibiting as Raw file techniques, and Hyper-V no for a longer time starting up on servers.
These days, BleepingComputer has been advised that Microsoft has pulled the January Windows Server updates, and they are no longer available by means of Home windows Update.
In checks done by BleepingComputer, we can affirm that our Windows Server 2019 set up, which has the December cumulative update installed, is no longer supplied the January KB5009557 update.
We have not independently confirmed if the other Windows Server updates have been removed but have been informed by Home windows admins that this is the case.
The updates are nevertheless available from the Microsoft Catalog, but BleepingComputer strongly recommends that admins not install the new Windows Server updates at this time.
Even though the updates take care of 97 safety vulnerabilities, with some currently being important, they are also resulting in sizeable disruption on Windows networks.
January’s Windows 10 and Windows 11 cumulative updates are also breaking L2TP VPN connections but Microsoft has not pulled those updates at this time.
Home windows Server Updates are again
Right now, the Windows Server updates are back again and out there again by means of Home windows Update.
As we said yesterday, they have been nonetheless obtainable by way of the Microsoft Catalog, and admins afterwards informed BleepingComputer that they have been also out there by using WSUS.
It is not very clear why Microsoft only pulled them from Home windows Update and did not reply to our queries about their disappearance.
Nonetheless, Microsoft has verified to BleepingComputer via electronic mail that they are knowledgeable of the challenges and are investigating them.
Microsoft has also established two new recognized difficulties in the Windows Message Centre with more data.
“Right after installing KB5009557 on area controllers (DCs), influenced variations of Windows Servers may restart unexpectedly. Observe: On Home windows Server 2016 and later on, you are extra likely to be afflicted when DCs are working with Shadow Principals in Improved Stability Admin Setting (ESAE) or environments with Privileged Identity Management (PIM),” Microsoft clarifies concerning the area controller reboots.
Microsoft has also verified they are investigating the situation where by “digital machines (VMs) in Hyper-V might fail to start” when installing updates on units working with UEFI.
Update 1/14/22 3:16 PM EST: Windows Server updates are back and Microsoft has verified they are aware of the difficulties.