Weird ActiveSync/Exchange issue.. Any Tips?

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We use a galaxy tab 2 here at work with active-sync and exchange etc..

Seems like once every 2 weeks I'll use the native email app from 4.0.4 and the exchange account has been completely removed?

We also had this happen once with our Galaxy 1 tab as well. The exchange email account was completely removed. Like it had never been setup.


Any tips or ideas of why or what happened? I need to explain this to someone but can't think of where to begin why the issue happened and how to resolve it.


The other interesting fact is that we have so many different android devices on the same network without active-sync/exchange issues. These devices rage from 2.3.6 to the latest.... they don't seem to have their exchange accounts removed ever...


Thanks for any tips. I've been scratching my head at this a long time and can't seem to make any progress.