http://msmvps.com/blogs/bradley/archive/2006/09/13/So-ya-wanna-run-Vista-and-be-behind-ISA-2004_3F00_.aspxCris reports that he does the following: As a Vista Beta Tester and one of the SBS MVPs I&#39;ve run up against this as well. After installing the Firewall Client on your Vista machine, Go to c:\program files\Microsoft Firewall Client 2004. Right ClickenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/bradley/archive/2006/09/13/So-ya-wanna-run-Vista-and-be-behind-ISA-2004_3F00_.aspx#135970Fri, 22 Sep 2006 01:25:08 GMTd67277c4-116b-43f1-b688-e9ef184ea916:135970PeterKDoes this only work on 32bit Vista. I am using 64bit and cannot get the firewall client to install!<div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=135970" width="1" height="1">