Optional VPP Apps show "Mismatch between user and device iTunes store account hashes"

The following error is seen when inspecting the Delivery Group details of an Apple device on the MDM server console: "Mismatch between user and device iTunes store account hashes". Attempts to send installation commands for VPP apps from the MDM server to the Apple device can fail. Optional VPP a...

VPP Required Apps Might Fail to Install on XenMobile Managed Devices

When too many VPP apps are pushed as required apps, installation may fail. The logs will show the following error. ErrorCode returned by Apple: code=9632, reason='Too many recent calls to manage licenses with identical requests'...