wurde mit dem Update KB5031445 (https://support.microsoft.com/en-us/topic/october-26-2023-kb5031445-os-build-19045-3636-preview-03f350cb-57f9-45e6-bfd7-438895d3c7fa) behoben
This update addresses an issue that affects robocopy. The /efsraw switch stops it from copying data properly.