Ok .. here it is .. in case noone has posted otherwise .. the how to step by step How to disable the Windows XP SP2 Firewall DURING Installation 1. There are 2 netfw.in_ files in the Network installation download of SP2 for IT professionals. 2. Take 1, and go to a command prompt, type "expand netfw.in_ netfw.inf" 3. Open it up and make the file look like what is below [version] Signature = "$Windows NT$" DriverVer =07/01/2001,5.1.2600.2180 [DefaultInstall] AddReg=ICF.AddReg.DomainProfile AddReg=ICF.AddReg.StandardProfile [iCF.AddReg.DomainProfile] HKLM,"SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile","EnableFirewall",0x00010001,0 HKLM,"SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile","DisableNotifications",0x00010001,1 [iCF.AddReg.StandardProfile] HKLM,"SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile","EnableFirewall",0x00010001,0 HKLM,"SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile","DisableNotifications",0x00010001,1 4. Once you have made this file, use "makecab netfw.inf netfw.in_" and copy this new netfw.in_ back into the IC and IP directory. This will make the firewall disabled upon installation.