


Copying that same file to a non-22H2 machine (writing) won’t see this problem.” “A large (multi-GB file) might see as much as 40% less throughput over SMB when copying down (reading). “There is a performance reduction in 22H2 when copying larger files from a remote computer down to a Windows 11 computer or when copying files on a local drive,” explained Microsoft’s Ned Pyle when acknowledging the issue in early October last year. In September last year, Microsoft officially announced the general availability of Windows 11, version 22H2.įollowing the availability, the company confirmed that a bug is affecting multi-GB files and reducing throughput by up to 40% less than the regular speed over SMB after installing the Windupdate (Windows 11 version 22H2).
