I am trying to access Windows Firewall, but it keeps saying ipnat.sys is in use by another program.Any thoughts would help. Thank You

This forum is for Windows Server 2008. I'd recommend you post your question in the Windows Server 2003 forums: http://technet.microsoft.com/en-us/windowsserver/bb512919.aspx

Hello AMarino,since you do not give much info on your system and the actions you did ...... could you check, if this solution in the Windows Server 2003 newsgroup also works for you ?If not, use the search there also, e.g. see hereErkan YILMAZ