https://bugs.winehq.org/show_bug.cgi?id=50545
--- Comment #7 from Richard winehq-bugzilla@richardpayne.name --- (In reply to Dmitry Timoshkov from comment #6)
(In reply to Richard from comment #4) Do you have libsasl2/libsasl2-plugin-gssapi (both 64 and 32-bit) packages installed? Also, are you connecting using kerberos?
No idea. There's no such packages listed in the Mint software manager. There's no such modules listed in the winecfg Libraries tab.
The domain has Kerberos. ADExplorer doesn't use an existing Kerberos ticket. It requires username and password to be entered.