After updating to Exchange 2010 SP1, we had some complaints of users’ calendar items disappearing from BlackBerry smartphones. There were a couple of other complaints of BlackBerry devices not syncing properly. The following article explains the symptoms and how to resolve this issue by creating a New-ThrottlingPolicy and assigning it to your BESAdmin account. [...]
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When I started at my new company we were running in a mixed environment (Exchange 2003 and Exchange 2007). There were a number of configuration items that just didn’t make sense and the previous Exchange guy was no longer there. I quickly began rebuilding the Exchange 2007 environment.