|Direction:||Client to Server|
|Used By:||Warcraft III Reign of Chaos, Warcraft III The Frozen Throne|
This message performs two operations. First, it checks if the client's logon was successful. Second, it calculates the data for the server's reply to SID_AUTH_ACCOUNTLOGONPROOF (0x54). If this data is not correct, then the client will not accept the logon attempt as valid.