Setting up Exchange Instant Messaging

You may find information about installing Instant Messaging here: http://support.microsoft.com/default.aspx?scid=kb;en-us;266643

http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodtechnol/exchange/exchange2000/reskit/part5/c19chat.asp

Additional steps are required to open IM to the internet.

How to Install Only Exchange 2000 Instant Messaging: the link below answers you question.

http://support.microsoft.com/default.aspx?scid=kb;en-us;316882

http://support.microsoft.com/default.aspx?scid=kb;EN-US;312371

http://support.microsoft.com/default.aspx?scid=kb;EN-US;312407

How to Install Only Exchange 2000 Instant Messaging: the link below answers you question.

http://support.microsoft.com/default.aspx?scid=kb;en-us;316882

http://support.microsoft.com/default.aspx?scid=kb;EN-US;312371

http://support.microsoft.com/default.aspx?scid=kb;EN-US;312407

How to install Instant Messaging

http://support.microsoft.com/default.aspx?scid=kb;EN-US;266643