Email Profile being re-pushed to the iOS device

Version: XenMobile 10.4 RP4

Users loose emails/contacts/calendars from their iOS device due to the email profile being re-pushed.
Users then have to re-enter their exchange password
When looking at the deployment the following error message is seen

Error MCProfileErrorDomain-1006: Profile could not be decrypted (Profile could not be decrypted)

Upgrade to XenMobile 10.5 RP1 has fixed the issue