When one of our dev guys asked me to troubleshoot an issue wrt his IIS svc handler mapping error, I initially figured it was a missing MIME type (cuz I’ve manually added one before), but this was not the case. This is how I fixed it:

  • Hit Windows+X
  • Select Programs and Features (first item on list)
  • Select Turn Windows Features on or off on the left
  • Expand .NET Framework 4.5 Advanced Services
  • Expand WCF Services
  • Enable HTTP Activation

Enable HTTP Activation

Reference: http://stackoverflow.com/questions/11116134/wcf-on-iis8-svc-handler-mapping-doesnt-work


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