IIS7 WCF .SVC 404

This is a tip for myself:

For the weird reasons I could not understand – if your IIS7/Vista doesn’t have a handler for .svc all of a sudden – you can re-register them using the following registration.

I’m still not sure why this suddenly stopped working :-(

"C:\Windows\Microsoft.NET\Framework\v3.0\Windows Communication Foundation\ServiceModelReg.exe" -r -y