Exchange - Active Sync - Calendar - Mobile sync, all information at a specific date and older is deleted.

Hello, I'm a IT Consultant. One of our users has lost their calendar entries from 2013 August and older. We do have a recovery solution to get this data back, but to prevent this from ever happening again. Is there a option to do so?
What we so far figured out is that there might have been an issue with the sync between the device and the server. That in the case the phone found out it didn't have enough space for all calendar entries, it deleted the old ones instead of ignoring it.
This could be wrong though.
We just found this out so the user does not know what type of phone he used when this occured. But the default mail app was used.
Any suggestions would be appreciated!
Thanks.

Hi
There is an option to prevent this happening in future
Ensure the phone is configured in POP profile only which will  delete the emails from phone only and not from server.
Inorder to do that delete the user activesync account and while recreating choose manual setup option and there you can see POP options.
Make sure delete email from server option is unchecked.The setting is under More Settings, then under Incoming Settings. On the bottom it says 'delete email from server' uncheck the option
Cheers
Sathish
Remember to mark as helpful if you find my contribution useful or as an answer if it does answer your question.That will encourage me - and others - to take time out to help you Check out my latest blog posts on http://exchangequery.com

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