The specified module required by this handler is not in the modules list. If you are adding a script map handler mapping, the IsapiModule or the CgiModule must be in the modules list.
I had this error message when configuring BTSHTTPReceive.dll into Handler Mappings of IIS 7 in my development machine.
Windows 7 64 bit:
- Go to the “Control Pannel” –> “Programs and Features”
- Click on “Turn Windows features on or off”
- Make sure “Application Development Features” are enabled.