What are the port numbers and protocols do exchange server 2007 use

Too many to list here, but these 2 pages do a nice job of explaining them: http://technet.microsoft.com/en-us/library/bb331973(EXCHG.80).aspx http://www.petri.co.il/ports_used_by_exchange.htm BR MadsPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.