https://bugs.winehq.org/show_bug.cgi?id=40107
--- Comment #1 from Olaf Schumann olaf.schumann@gmx.de --- update: I installed the public part of the self-signed certificate with the control panel->internet settings->content->certificates->import-><choose file>->automatically select store->Next->Finish I still can't connect to the SQL-Server with that self signed certificate.