Using 64-bit IIS Express

Debugging VS2013 Websites Using 64-bit IIS Express

https://blogs.msdn.microsoft.com/rob/2013/11/14/debugging-vs2013-websites-using-64-bit-iis-express/

 

Command-Line:

For VS2013, use

reg add HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\12.0\WebProjects /v Use64BitIISExpress /t REG_DWORD /d 1

For VS2015, use

reg add HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\14.0\WebProjects /v Use64BitIISExpress /t REG_DWORD /d 1