Is anyone seeing issues with iOS 10 clients unable to download apps with a caching server on the same network? (os x server 5.1.7). iOS 9 clients are working fine and the caching server debug.log shows that the actual iOS 10 download is being cached too. But iOS 10 clients keep getting an 'unable to download' error when attempting to download apps from the store. If I turn off caching server, then the iOS 10 clients can download apps fine.
Unfortunately there are no new versions of OS X Server.app yet. I guess that'll drop when macOS Sierra is released next week.
I tried clearing out the existing cache contents, but it didn't resolve the issue. I'll try again after Sierra is out and see if anything changes.
I'd be interested to know if anyone else is running into this issue.
We have seen a whole host of issues with iOS 10:
Restore from iCloud backup was not working when a device was in DEP from a MDM server. It would get to the 'Retrieving Configuration from your Organization' and stop. No error or anything. Apple has acknowledged this as a bug.
Managed Apple IDs are not able to login during setup. Have to skip the iCloud screen and login after the iPad setup is done. Annoying but not a show-stopper. Apple knows about it but, just today, sent me an email saying they have it fixed.
Apps are not installing on the ipads very consistently. I'm now going to assume that its this Caching server bug after reading this thread. This is with either 10.11 or Sierra servers.
We are experiencing this behavior. After 2 weeks of troubleshooting with Apple they finally came out and informed us that their Caching Server is broken and it is not Caching VPP Apps. I have not seen it cache iOS 10 updates either.
Since it is a know issue, Apple is working on it.
During the troubleshooting, Apple had me upgrade my servers to 5.2 running on El Capitan. There we no favorable changes.
We are having this same issue with iOS 10.0.2 and Server 5.2.
I first noticed it started doing this after our caching server went offline that day when lots of people had their caching servers go offline. Since then, our iOS clients do not like to hit the caching server.
Also prior to that, I'm not sure many of our clients were hitting it for device based app updates that were set on our server at 4am. They definitely are not now as our internet spikes at 4am for a hour or longer on big update days, and the caching server graphs show nothing happening during that time.