Ka kammala wannan magana: A shekara ta 1777, matakin da Joseph ya ɗauka cikin hanzari ya kai ga
Yaƙin Gasar Bavarian. Lokacin da matsayin Austrian ya zama ba za a iya jurewa ba, Kaunitz ya gudanar da tattaunawar zaman lafiya da kansa; ta hanyar Yarjejeniyar Teschen ta 1779, ya sami yankin Innviertel na Bavaria don Austria. A cikin al'amuran Imperial, ya sami damar mamaye Diet na Regensburg; a cikin 1780 ya kuma yi nasara wajen sanya Habsburg Archduke Maximilian Francis na Ostiryia, ɗan ƙaramin ɗan'uwan Yusufu, a matsayin coadjutor bishop a cikin Zabe na Cologne da Prince-Bishopric na Münster.