Hi, I currently have 3 exchange servers that are running exchange 2003 standard edition and now my store are over 16gig so I need to upgrade to enterprise 2003. How can I do this? One of the 3 servers is a front-end and the other two are back-end servers. Regards,

Well you could have a look at http://support.microsoft.com/kb/828070/and http://support.microsoft.com/kb/912375/ http://support.microsoft.com/kb/170280/en-usdetails how to upgrade from Standard edition to Enterprise Edition Paul

You'd be best upgrading your exchange std edition with SP2 as your store allowance increases to 70gb. Check out this article from the big man Petri- http://www.petri.co.il/change_store_size_limits_ex2003_sp2.htm. Make sure you read the technical overviews and specifications of your software pal