Web Table 1: NTLM Error Codes
HexadecimalDecimalReason for Logon Failure
C0000064 3221225572 The username doesn't exist.
C000006A 3221225578 The username is correct, but the password is wrong.
C0000234 3221226036 The user is currently locked out.
C0000072 3221225586 The account is currently disabled.
C000006F 3221225583 The user tried to log on outside the user's time-of-day restrictions.
C0000070 3221225584 The user tried to log on outside the user's workstation restrictions.
C0000193 3221225875 The user account has expired.
C0000071 3221225585 The user tried to log on with an expired password.
C0000224 3221226020 The user tried to log on with an account on which the administrator has selected the User must change password at next logon option.