[Samba] more cleanup: mis-named AD user

[Stefan G. Weichinger]

Am 06.08.19 um 16:13 schrieb Stefan G. Weichinger via samba:

>> Last question that share, any special settings? 
> 
> The working share:
> 
> 
> [rsnapshots]
> 	path = /mnt/rsnapshots
> 	read only = Yes
> 	valid users = problem-user, sgw
> 
> ;-)
> 
> 

a fellow admin points me at this:

https://support.microsoft.com/de-at/help/4026814/windows-accessing-credential-manager

will check asap