Finally I have some updates…
After a MS service ticket, witch did not give anything, a new iOS app is released, that fixes half of the problem.
I now have environments that works, and also some that does not work.
Difference as I see it, the ones that does NOT work, there is a Load Balancer or Application Gateway in front,
those that does work have direct connection without Load Balancer or Application Gateway in front, but have a public IP on Application server (witch are not best practice)
Android devices have no issues…
We don’t want to expose the Application server directly to the internet, and would atleast have a Load Balancer infront, preferable a Application Gateway.
I am pretty sure I’m not the first person in the world facing this issue, but I cant find any solutions for this mess?
I have customers and colleagues that wants this fixed, but I see no solution.
I know its probably a security thing by Apple.
Btw, [mention:61b2aa9ce72e429baa1ef43208ddbea4:e9ed411860ed4f2ba0265705b8793d05], that error I also mentioned, have been fixed by MS in 17.3 since it was a bug in earlier versions 