XP sp2

See where it says "enabled"?  That's what is controlling the firewall on the "domain" profile



You "could" flip it to "not configured"



Per David C - in the newsgroup -

Start/Administrative Tools/Group Policy 
Management  then under Forest: 
smallbusiness.local/Domains/smallbusiness.local/Group Policy Objects/Small 
Business Server Windows Firewall (or Small Business Server Internet 
Connection Firewall) then right click on it and select Edit   then Computer 
Configuration/Administrative Templates/Network/Network Connections/Windows 

The Small Business Server Windows Firewall group policy is for POST XP SP2 
machines and Small Business Server Internet Connection Firewall is the group 
policy for Pre XP SP2.