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3.2.5.4 Sent LOGIN7 Record with SPNEGO Packet State

If the response received from the server contains a structurally valid Login response indicating a successful login and no Routing response is detected, the TDS client MUST indicate successful Login completion to the upper layer and enter the "Logged In" state.

If the response received from the server contains a structurally valid Login response indicating a successful login and also contains a routing response (a Routing ENVCHANGE token) after the LOGINACK token, the TDS client MUST enter the "Routing Completed" state.

If the response received from the server contains a structurally valid SSPI response message, the TDS client MUST send to the server a SSPI message (TDS packet type %x11) containing the data obtained from the applicable SSPI layer. The TDS client SHOULD wait for the response and reenter this state when the response is received.

If the response received from the server does not contain a structurally valid Login response or SSPI response, or if it contains a structurally valid Login response indicating login failure, the TDS client MUST close the underlying transport connection, indicate an error to the upper layer, and enter the "Final State" state.

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