You use the FastCGI module in Internet Information Services (IIS) 7.0 to host applications that are not based on ASP.NET. However, you find that the following features are unavailable:
- Monitoring changes that are made to files
- Real-time tuning of the MaxInstances setting
- STDERR stream handling
- Sending a termination signal to FastCGI processes
- _FCGI_X_PIPE_ environment variable
- Relaxed enforcing of response headers syntax
- Using UTF-8 encoding for server variable values