From Exchange 2003 to 2007, what is the single biggest change regarding the # of storage groups, databases, or storage limits?
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Storage limits are GONE!!! For Exchange 2003, the previous limit of 18GB SP1 and earlier and 75GB w/SP2 is now 16TB, which in theory is unlimited.
http://www.microsoft.com/exchange/2007/evaluation/editions.mspx[/hide_answer]
