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As is usually the case, Microsoft’s monthly security updates are causing issues outside the fixes that they bring. Following the release of updates (KB5021249 and KB5021237) on December 2022 Patch Tuesday, Microsoft is confirming new issues caused by that updates in Windows Server 2022 and Windows Server 2019.

Specifically, there is a problem with network adapters and NICs in Hyper-V. Microsoft has been quick in solving this issue and is now sending out-of-band (OOB) updates as a fix. On Windows Server 2022, users can install KB5022553, while for Server 2019, KB5022554 is the patch.

Microsoft provides the following changelog to confirm the patches:

“Improvements

This non-security update includes quality improvements. When you install this KB:

This update addresses an known issue that affects Hyper-V hosts that use software defined networking (SDN) and are managed by System Center Virtual Machine Manager (VMM). You might receive an error for workflows that involve:

  • Creating a new network adapter for an existing virtual machine (VM) that is joined to a VM network
  • Creating a new VM that has a network adapter that is joined to a VM network.”

To manually download and install these updates, head to the Microsoft Update Catalog and find:

Earlier this week, Microsoft solved an issue with Direct Access on Windows 11 and Windows 10.

When Microsoft sent out KB5019509 to Windows 11 and KB5018482 for Windows 10 in October, the package came with Direct Access connectivity issues. This problem was affecting Windows 11 22H2, Windows 10 22H2, and all supported older versions of both platforms.

Tip of the day: Need to create an ad-hoc network from your PC? In our tutorial we show you how to easily create a shareable wireless internet connection in Windows as a free WIFI hotspot.