HKLM\Software\Microsoft\MSMQ\Parameters\Security
| Data type | Range | Default value |
|---|---|---|
| REG_DWORD | 1 | 2 | 4 | 2 |
Determines the authentication to be used to sign the authenticate message.
Message Queuing can use two different signatures when sending authenticate messages: MSMQ 1.0 signatures and Message Queuing signatures. By default, Message Queuing will only use MSMQ 1.0 signatures. When the PROPID_M_AUTH_LEVEL property of a message is set to MQMSG_AUTH_LEVEL_ALWAYS, the value of this registry entry determines what authentication will be used to sign the authenticate message.
| Value | Meaning |
|---|---|
| 1 | MSMQ 1.0 and Message Queuing signatures |
| 2 | MSMQ 1.0 signatures only |
| 4 | Message Queuing signatures only |