3.1.7.3.4 RESULT_CLIENT_CERT_UNKNOWN

Authenticate the client certificate to the server by calling the method ExchangePublicKeys (section 3.2.4.1), as specified in [MS-BPAU]. <18> For more details on certificate authentication, see Message Validation (section 3.2.5.2). If successful, set to true the Authenticated element status in the relevant row of the Table of Servers element (section 3.1.1.1), create a new FileDiscoveryAttempt element, set the NEW_SERVER element to the FileDiscoveryAttempt element, and set state to STATE_SEND_REQUEST.

Otherwise, remove the server from the server table, increment SERVERS_NEEDED element, and set state to STATE_CHOOSE_SERVER.