[XenMobile 10.3.6 Patch Experiences]

Sorry, link still works for me, but I'll copy paste. We had the same problem, changing persistence fixed it.

 

HTTP 417 Error While Enrolling iOS Device on XenMobile

Article | Connectivity | Created: 08 Jul 2016 | Modified: 08 Jul 2016

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Symptoms or Error

HTTP 417 error in Safari while enrolling an iOS device on XenMobile.

 

or

 

Second Profile Installation error: "Cannot establish connection to server.

 

Solution

Change the persistence method to Use Source IP at the MDM / XenMobile 8443 and 443 load balancer.

 

If XenMobile Servers are in a cluster, validate the Time/Date settings on the server.

[XenMobile 10.3.6 Patch Experiences]

After major issues in 10.3.5 in a cluster setup, the 10.3.6 update solved some of the issues but new problems have come up.

Sporadically HTTP error 417 when start to install the profiles for IOS; some users can´t even get past these errors and not been able to access WorxStore giving "unable to fetch the required assets to continue, please try again" error loop for both android and IOS.

 

Not good at all....

http://support.citrix.com/article/CTX205342