http://msmvps.com/blogs/thenakedmvp/archive/2004/11/11/18706.aspxThere have been reports that the latest ISA Patch is shutting down the Web Proxy Service. I can confirm that I have today had my first site with this problem. Recommendation: Remove the Patch Apply the workaround detailed here or use the script from ISAToolsenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/thenakedmvp/archive/2004/11/11/18706.aspx#46574Wed, 11 May 2005 23:57:00 GMTd67277c4-116b-43f1-b688-e9ef184ea916:46574nickYes, I've faced the same problem and I did remove the Service Pack. <br>Initially I've applied on my main server but I've hooked my Testing server to apply the patches before applying on the MAIN server. <br> <br> <br><div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=46574" width="1" height="1">