The certificate that was selected for Secure Sockets Layer (SSL) encryption could not be found in the certificate store. ...

The certificate that was selected for Secure Sockets Layer (SSL) encryption could not be found in the certificate store. To resolve this issue, use TS Gateway Manager to either create a self-signed certificate or to select another certificate. For more information, see Obtain a Certificate for the TS Gateway Server in the TS Gateway Manager Help.