I have a Windows 2012 samba share set up. When I right click on the share, go to properties, then settings, I have the box checked marked "Encrypt data access"
When this box is checked, I cannot connect to it from Linux. If I uncheck the box, it can connect just fine. Here is the command I use to mount the share.
sudo mount.cifs -o username=Administrator //fileserv01/smb-encrypted /tmp
Using smbclient, I can connect just fine, whether encrypted or not by specifying SMB3 with the -m option...
smbclient -m SMB3 //fileserv01/smb-encrypted -U Administrator
Also I tested with a Windows 7 VM and the Windows 7 VM couldn't connect while encrypted, but could when it was not encrypted.
Is there a workaround for this?