6a.) Start > Search > Type: regedit > Select regedit.
6b.) The registry key of interest to find is:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters
6c.) Select BasicAuthLevel (if it does not exist, create the key)
6d.) Change the value to 2. Select OK > File > Exit
7.) Reboot Windows
8.) ...
von: http://forums.iis.net/t/1207555.aspx?Windows+8+1+and+Webdav+Issue
6a.) Start > Search > Type: regedit > Select regedit.
6b.) The registry key of interest to find is:
6c.) Select BasicAuthLevel (if it does not exist, create the key)
6d.) Change the value to 2. Select OK > File > Exit
7.) Reboot Windows
8.) ...