Good Morning Sir´s I have the same Problem. I´ll pay´d the PMDG B737 Base Pack AND the Expansion Pack by Aerosoft an Friday 29.07.2016 After installatioin the Base Pack I´m starting the FSX and the B737 700 from PMDG, the Windows opening for the Activation Key. I´ll inserting the Key from Aerosoft and clicking Activation He come´s the Error Messag: Unable to connect to activation server. Please check your internet connection and try again So I´ll copying the Key to the Notepad and insterting the Key from these Way, but the same Problem. After 4 Houers I´ll opening an Ticket at the Site from PMDG. ... and there I´m waiting for an Answer from Pmdg.
Best Regard´s Edgar Stahl I´m sorry for my bad Engish