exchange/ outlook session issue

hello there,

duno where to put this post but i guess it wud be best here.
we have just recently upgraded to exchange 2003 and we are having a lot of users who are exceeding there session limit upon exchange. this then does not allow the user to access the mailbox at all. so i have to manually close the session using tcpview from sysinternals. ive read there is a reg tweak that increases the limit but im not one for jumping in and changing the registry especially on servers!

has anyone come across this?

cheers