MrMC

As a side-note for those who need a workaround for OS X 10.11.5:

Adding the two lines

<key>SigningRequired</key>
<false/>


to /Library/Preferences/SystemConfiguration/com.apple.smb.server.plist and restarting the server (or switching SMB sharing off and on again) re-enables connectivity.

refs -> https://github.com/videolabs/libdsm/issues/80

I wonder if they have any plans to update libdsm to work with this change in OS X. The discussion thread hasn't been active for awhile.

Apparently it's being worked on but it sounds like it's not quick and easy.

Here's the official Apple way of disabling packet signing:

https://support.apple.com/en-us/HT205926