10
Unknown security version (%1!) was received.
An invalid security version has been detected during the login phase security negotiation.
Run Ribo between the client application and server and examine the TDS_SEC_SECSESS token, which follows the TDS_MSG_SEC_OPAQUE token. TDS_SEC_SECSESS consists of five parameters, first of which is the TDS security version of type TDS_INTN, which should have a value of 50.
Symbolic constant: SRV_EBADSECVER
