Debug Classic ASP in Visual Studio

Note: This was tested in VS2010 and IIS 7.5.

In IIS:

• Set up Classic ASP website in IIS.
• Set Classic ASP application to allow ASP debugging:
  • Click on application
  • Double-click IIS/ASP
  • Open Debugging Properties
  • Enable Server-side Debugging = True
  • Click Apply

In Visual Studio:

• Add breakpoints in server-side code of Classic ASP.
• Start debugging:
  • Debug Menu/Attach to Process/Available Processes
  • Select w3wp.exe
  • Click Attach