These are the minimum requirements that need to be installed in IIS for a CF install.
This is more of a note to self than anything… I need it because a.) this isn’t the sort of thing I do frequently enough to commit to memory and b.) because a Google Search for “IIS Installation pre-requisites for ColdFusion 2018” doesn’t come back with an obvious “make sure x, y, and z are installed in IIS.”
When performing a fresh install of ColdFusion 2018 on a Windows Server running IIS, you need to select the following options in the IIS features setup as pre-requisites.
- ASP.NET
- CGI
- ISAPI Extensions
- ISAPI Filters
That’s all… don’t overthink it and commit it to memory so next time you don’t need to try and figure out “did I need this? What about that?”
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Also, you can get step-by-step directions here.
https://easycfm.com/2020/07/21/installing-coldfusion-2018-with-iis-on-windows-10-pro/
Hi, David. I’m sure this will help many.
FWIW, this info IS in the CF docs at https://helpx.adobe.com/coldfusion/installing/configuring-your-system.html, and that page came up (for me) as the 4th hit for that search string in Google. 🙂
That said, if you searched on the page for “prereq”, it would find refs to that related to things other than IIS. But if you search that page for IIS, you’ll see the second box about it does list these things that need to be enabled in IIS. (It doesn’t mention isapi filters, but it mentions isapi extensions, and when we enables one Windows offers to enable the other.)
And also, the need for these is not limited to being needed for either CF2018 (but also 2016, 11, and before) and not just for Windows Server but also Home.
Finally, if it helps some readers who may find this post, we would enable these things in Windows Server using its Server Manager tool and in Windows Home using its “Turn Windows Features On or Off”.
It helps many to be reminded of such core things once in a while. Thanks.
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22 Sep 2025
Las Vegas, NV
