Cheeso Asked: 2010-04-06 16:25:19 +0800 CST2010-04-06 16:25:19 +0800 CST 2010-04-06 16:25:19 +0800 CST Is it always necessary to restart IIS after installing an ISAPI filter? 772 Is it necessary to restart IIS when installing a new ISAPI filter? Always? Sometimes? When? I'd appreciate documentation links, if you have 'em. Thanks. windows iis isapi 1 Answers Voted Best Answer MattB 2010-04-07T05:50:35+08:002010-04-07T05:50:35+08:00 If you are adding a filter at the site level, a restart is not required - but you do need to make at least 1 request to the website for the filter to "load". If you are adding a filter at the global level, a restart is required. http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/54c41c83-3723-4695-9bf1-9f7b1f674be0.mspx?mfr=true http://support.microsoft.com/kb/317204
If you are adding a filter at the site level, a restart is not required - but you do need to make at least 1 request to the website for the filter to "load".
If you are adding a filter at the global level, a restart is required.
http://www.microsoft.com/technet/prodtechnol/WindowsServer2003/Library/IIS/54c41c83-3723-4695-9bf1-9f7b1f674be0.mspx?mfr=true
http://support.microsoft.com/kb/317204