Caution when updating to iOS 13.1.2 in conjunction with Exchange Server

Small warning regarding Apple devices and iOS 13. Apparently an old bug from iOS 6 times has returned and is causing trouble again in iOS 13. I warned about the problem "back then" here: Exchange 2007/2010: ActiveSync and iOS 6 bug With Apple iOS 13, too, there are more and more reports that there are ... Read more

iOS 11 problems with Exchange 2016 ActiveSync on Server 2016

Apparently there is a problem with the Golden Master (GM) of Apple's iOS 11 with the Apple Mail App and Exchange Server 2016 on Windows Server 2016. In this case it is not possible to reply to mails or forward the mails with the Mail App. iOS 11 is not yet publicly available, it should ... Read more

Apple, ActiveSync and StartCom / StartSSL / WoSign

I am currently receiving a lot of inquiries about ActiveSync and Apple devices. Apple devices do not want to establish an ActiveSync connection with Exchange using the integrated Mail app. So if you find your environment in the following description, you will run into the problem described: Apple devices with the integrated mail app (iPhone, iPad) The SSL certificate comes from StartCom / StartSSL ... Read more