Depends on what version, Standard or Enterprise. Depends on if you set mailbox limits, depends on disk space. Maybe you should read up on Exchange. http://www.microsoft.com/exchange/techinfo/default.asp Bob Fronk bfronk@xxxxxxxxxxxxxxxx -----Original Message----- From: jolylon [mailto:jolylon@xxxxxxxxxxx] Sent: Saturday, March 06, 2004 11:29 PM To: [ExchangeList] Subject: [exchangelist] exchange 2000 & 2003 capacity http://www.MSExchange.org/ Hi, I want to know how much user mail box can handle 1 exchange server . both 2000 and 2003 exchange ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------