Dan, the only solution we found to work is to upgrade the macOS from
10.11 or older to 10.12 or newer. Updating Office 2016 for Mac does not
resolve the issue.
Some of macOS 10.11 El Capitan users are experiencing the same MSO 2016
for Mac sharing violation error trying to save to a samba share via
SMBv2. We are able to reproduce the error with MSO 2016 16.12, the
latest, or 15.33. There is no error if macO...
