How to force SMB2, which actually doesn’t work for me:
10.14.3 – SMB3 Performance Issues – Force SMB2
Related discussion on Apple Communities
Computers Won’t Shut Down After Connecting To Server
Bug reports on Apple Radar:
How to submit sysdiagnose:
- Command + Option + Shift+ Control + Period (.)
- Or in Terminal:
sudo sysdiagnose
Note: The sysdiagnose process can take 10 minutes to complete. Once finished, the folder /private/var/tmp/ should appear automatically in the Finder and the sysdiagnose file there will look similar to this:
sysdiagnose_2017.08.17_07-30-12-0700_10169.tar.gz
View active SMB connection status:
smbutil statshares -a