Single Exchange 2013 running under Server 2012 AD
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I have users (mostly using Apple iPhone or iPad, sometimes both). For some reason (after moving them to a new database), they stopped working with ActiveSync. Devices show up under View Details with last sync date showing date/time it stopped working.
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The Fix is:
Remove Device from View Details (EMC).
Open ADSI and delete the ExchangeActiveSyncDevices container
Ensure that Security Inheritance is ENABLED
Restart IIS
Remove and Re-create account on device.
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Why is this happening? Also, is there a 'better' fix?