hello, i will deploy exchange 2010 for 1500 users. is there an excel or planning tool where i put the number of users and tel me how much hardware i need? or storage? or servers? thanks

Hi I think this is what you are looking for Cheers, Steve

I know this has been answered, but don't forget the Exchange Server Deployment Tool: http://technet.microsoft.com/en-us/library/ee681665.aspx This is useful and should be used side by side with the Exchange Mailbox sizing calc IMO. OliverOliver Moazzezi | Exchange MVP, MCSA:M, MCITP:Exchange 2010, BA (Hons) Anim | http://www.exchange2010.com | http://www.cobweb.com | http://twitter.com/OliverMoazzezi