server min protocol = SMB3_00 doesn't allow the SMB1 negprot with dialect "2.???" to upgrade to an SMB3 negprot.
Created attachment 12854 [details] Patches for v4-6-test
Created attachment 12855 [details] Patches for v4-5-test
Created attachment 12856 [details] Patches for v4-4-test
Reassigning to Karolin for inclusion in 4.4, 4.5 and 4.6.
(In reply to Ralph Böhme from comment #4) Pushed to autobuild-v4-{6,5,4}-test.
(In reply to Karolin Seeger from comment #5) Pushed to all branches. Closing out bug report. Thanks!