FreeFileSync Forum

I'll try it, but bear in mind this was only one example. I have error message for several hundred files which failed in exactly the same way. And they are certainly not all corrupt, or many applications would not work. For example:

19:57:04 Error: Cannot write file attributes of "B:\John\AppData ...

No, it's reported as an error, not a warning. It seems to happen when a new file is created, not when an existing file is updated. So for example I see things like this whenever I create a file:

16:47:51 Info: Creating file "B:\John\AppData\Roaming\Mozilla\Firefox\Profiles\c110gmj1.default ...

There might be a workaround. Unfortunately I cannot reproduce the error when accessing an exFAT-formatted USB stick that is shared by a different PC via network.
Open to suggestions. Currently the only workaround I can think of seems to be to ditch FFS and write a quick Perl script to do the ...

What OS are involved?

Might they be, the files have, ADS, Alternate Data Streams (that are not supported on exFAT)?
Windows 11 (22H2), backing up via Samba to a Linux box (Xubuntu 20.04) with an attached external drive. Have updated exfat-utils and exfat-fuse. The files in question have no extra ...

I am trying to back up from NTFS to an exFAT volume via Samba, and I keep getting the above error:

Cannot write file attributes of "X:\Files\foo.exe"
ERROR_NOT_SUPPORTED: the request is not supported (SetFileInformationByHandle(FileBasicInfo))

This happens for quite a few files, not just .exe ...