Bring your code 2 life

One of our customers approached us with the following issue they had with the Field Service app provided by Microsoft’s Store. The customer has an on-premise CRM installation. Therefore the app is required to access the CRM server via ADFS in the company’s local area network. The simplified architecture looks equal to this one: After some time of investigation I was able to repreduce this issue with the native Resco Mobile CRM app installed via Microsoft Store with Windows 10 as well. Whenever the machine had an internet connection the app worked just fine, but as soon as the app was launched in a local area network only without any internet connection, the app complained with the error box shown above. Second step was to use Fiddler tracing as described here: https://www.resco.net/fiddler-trace/ With an active internet connection I found appropriate Fiddler logs with connection requests. Interestingly, without internet connection I could not find any requests at all. This ga...