Cheapskate  Freshman Member

... simply re-booting the NAS did the trick ... :s

Resolved it by myself:* Enable SMB1, again: https://www.windowscentral.com/how-access-files-network-devices-using-smbv1-windows-10 * Map Networkdrive preceding my username with "azure" (e.g azure\myUserName) * ... done... Cheers!