Windows 11 22H2 Slows Down Copying of Files

Copying large files over SMB can be problematic for some people after installing the Windows 11 2022 update. Microsoft confirmed this issue, saying users experience a drop in replication performance when copying large files from remote computers to their PCs. In addition, the company said it could also be present when copying files on a local drive. To help alleviate these problems temporarily until an official solution comes out, Microsoft recommends using built-in tools like robocopy or xcopy instead.

"Copying large multiple gigabyte (GB) files might take longer than expected to finish on Windows 11, version 22H2," explains Microsoft. "You are more likely to experience this issue copying files to Windows 11, version 22H2 from a network share via Server Message Block (SMB) but local file copy might also be affected."

Users reported a 40% drop in system performance, while others claim that copying files take more than the data they reported or even twice as long. However, Microsoft's Principal Program Manager for Windows Server Engineering Group said this might vary from user to user based on their device type and home environment.

Microsoft still has not provided a permanent solution for this issue, but the company says that it is currently working on an update to provide in their next release. Meantime users can try workarounds recommended by Microsoft until then. "To minimize this problem, you can use file copy tools that do not rely on the cache manager (buffered I/O)," Microsoft says in a support document. You can easily accomplish this task with the help of robocopy and xcopy tools. The following is a list of commands that will be useful for completing your work:

After installing the latest update, Windows 11 users report many issues, including provisioning packages failing to work on Windows 11. Unfortunately, it's unclear if these problems will be solved soon.

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