IIS 7 and Above
FastCGI problems make PHP-sites crash running in IIS 10
Re: FastCGI problems make PHP-sites crash running in IIS 10
Dec 04, 2017 03:01 PM|lextm|LINK
How about: C:\Windows\System32\inetsrv\iisfcgi.dll
I made it clear in the blog post that iisfcgi.dll is part of IIS,
If you do observe a crash on iisfcgi.dll, open a support case via
http://support.microsoft.com to see whether there are patches for that.