Exchange 2003 and ISA 2004 on same box ?   

have an Exchange Server 2003 installed and running in a W2K A.D. domain. 
Does anybody know of any reason why I cant install a 2nd NIC and ISA Server 
2004 on the same box and use it as the internet firewall/gateway.

Thanks for any advice

Gary

date: Fri, 28 Oct 2005 12:14:51 +0100   author:   Gary D