As discussed at Jose Santiago_329 the reason is that
Starting in this mise à jour, Explorateur de fichiers adds the Mark du Web (MoTW) tag to fichiers and dossiers that come from untrusted locations. When MapUrlToZone classifies a fichier as “Internet,” that fichier également gets this tag. Parce que of this change, the “LastWriteTime” time stamp is updated. Cela pourrait affect some scenarios that rely on fichier copy operations.
Making the site trusted fonctionne around this problème as explained by Ramesh Srinivasan (IA):
Cela pourrait be a bug dans le recent Windows 11 builds. Cependant, il y a a workaround. To prevent the ADS from being written, vous pouvez add the ordinateur name that hosts the réseau share vers le Local Intranet zone in IE Options.
To open IE Options, run "inetcpl.cpl".
Click on the "Security" tab, and click "Local Intranet".
Click "Sites", and click "Advanced".
Add the computer name or the IP address you use to access the computer that hosts the network share to the list.
Click OK, OK, to save your settings.
Veuillez également report this bug through the Windows Feedback Hub to Microsoft and ask for a fix.
