Hello, When I connect with Outlook 2010 to Exchange 2010 i get the Message "There is a problem with the proxy server's security certificate". Starting situation: Mac OS Yosemite Vers. 10.01.2 up to date Parallels Desktop for MAC Version 10.1.4 (28883) Windows 7 Pro SP1 up to date Office 2010 SP2 up to date Follow Steps i have done: Windows 7 and Office 2010 are installed in Parallels Desktop for MAC (default settings) set up Outlook Account of a hosted Exchange account with default parameter - no Problems first start of Outlook - Error Message occure "There is a problem with the proxy server's security certificate" -> Outlook can not connect to the Exchange next start of Outlook - Outlook connect successful to the exchange an download mails a third time Outllok starts with the error message and get not connceted, also the fourth, fiveth,... time. Sometimes it connects, sometimes not when I switch to online Mode no error occurs OWA works fine and I havn't any certificate issues I have try sereral setting in Parallels - no change of behavior I am happy about every notion. Thanks Seb@stian
Hi Sebastian, Please follow the instructions suggested at http://kb.parallels.com/112983 and check how it goes.