The request was aborted: Could not create SSL/TLS secure channel

Question

We are unable to connect to an HTTPS server using WebRequest because of this error message:

The request was aborted: Could not create SSL/TLS secur

Answer 1

Another possibility is that the code being executed doesn't have the required premissions.

In my case, I got this error when using Visual Studio debugger to test a call to a web service. Visual Studio wasn't running as Administrator, which caused this exception.