What causes error HRESULT: 0x80010105 (RPC_E_SERVERFAULT)?

Question

I created a ASP.NET web service that uses a 3rd party payment processing engine to authorize credit card transactions.

The web service is hosted on a separate applic

Answer 1

I've had the same error (RPC_E_SERVERFAULT) using ActiveX objects in web services. Whenever the ActiveX object crashed, IIS would throw this error, which would mask the reason that the object crashed (for us it was usually crashing while loading an invalid file that it needed to process and return values from).

Have you checked the system logs etc. to see if your ActiveX control has logged the actual error anywhere?

If you can't see anything obvious then I'd recommend contacting their technical support to figure out the best way to diagnose what the actual error is and if it's logging its errors anywhere.