• Microsoft confirms a bug causing performance issues copying files on Windows 11 22H2.
  • The bug can slow down file copying by up to 40 percent.
  • The company has resolved the issue and is testing a fix available on build 25267.
  • You can avoid this problem using robocopy or xcopy or staying on version 21H2 a little longer.

UPDATED 12/15/2022: If you recently upgraded to Windows 11 22H2 (2022 Update) and have to copy a large number of files, it’ll probably take a lot more time than using version 21H2. Microsoft has recently acknowledged that the latest version of Windows 11 has performance degradation problems when transferring multi-gigabytes of files to a remote computer.

According to a new post on the Tech Community forums (via Neowin ), Ned Pyle, Principal Program Manager at Microsoft, explains that Windows 11 22H2 can slow down transfer speeds up to 40 percent using Server Message Block (SMB) protocol when copying large files over the network.

The post also notes that the problem is not an issue with the SMB code, as the slow throughput performance also appears when copying local files without using SMB.

The company is currently investigating the issue, and there’s no estimated time for a permanent fix, but it’s offering workarounds. If you notice throughput performance issues while copying files, Microsoft recommends using the robocopy or xcopy command tools with the /J option to get around the problem. For example, robocopy \server\sharepath c:\detinationfolder somefile.iso /J .

Although, for the most part, the Windows 11 2022 Update is off to a good start, the feature update has other known issues regarding copying files and shortcuts, installing updates, and others.

Update December 5, 2022: Microsoft has announced that a preview of the fix is available with the build 25252 in the Dev Channel, and the company plans to roll out the fix for the SMB performance issue once the changes have been validated.

Update December 15, 2022: Another preview of the fix is available with build 25267 in the Dev Channel. The fix is expected to arrive (presumably)

  • Microsoft has identified a printer bug on Windows 11 22H2.
  • The bug prevents Windows from determining some advanced printing features.
  • The company is placing an upgrade block until the problem is fixed.
  • You can still upgrade manually if you remove the affected printer.

If your computer is not getting Windows 11 22H2 (2022 Update) , it’s likely because there’s a compatibility problem with the printer driver. Microsoft has confirmed that the latest feature update is causing issues with some advanced printer features, and as a result, it’s placing an upgrade block until the problem is resolved.

According to Microsoft’s health dashboard page , if Windows 11 has connectivity problems with a printer using the Microsoft IPP Class Driver or Universal Print Class Driver, the system won’t be able to identify some advanced printing features. For example, two-sided/duplex printing, paper size or type settings, or resolutions higher than 300 x 300dpi.

Microsoft is recommending not to attend to upgrade manually using the Installation Assistant , Media Creation Tool , or using any other available method. However, if your device has been affected by this bug, if you must upgrade, you can remove any printer using the Microsoft IPP Class Driver or Universal Print Class Driver from the “Printers & scanners” settings page and then try the installation one more time.

If you plan to install the new version from Windows Update, note that after removing the affected printer, it can take up to two days for the update to become available for download.