Note
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There are no standards assignments directly associated with this protocol.
This protocol does depend on RPC and uses the following RPC UUIDs:
17FDD703-1827-4E34-79D4-24A55C53BB37 (for name management methods)
5A7B91F8-FF00-11D0-A9B2-00C04FB6E6FC (for the NetrSendMessage method)
This protocol does use NetBIOS for message delivery in some cases. If NetBIOS is used on a TCP/IP network, UDP port 138 can be used, and NetBIOS might need to perform other functions such as name resolution on other ports (as specified in [RFC1001] and [RFC1002]) to support this protocol.
When this protocol uses named pipes, the pipe name used is \PIPE\MSGSVC.
When this protocol uses mailslots for message delivery, the mailslot name used is \\recipient name\MAILSLOT\MESSNGR where recipient name is the NetBIOS name of the intended recipient of the message.
This protocol builds NetBIOS names using the convention defined in [MS-NBTE] section 1.8, with a NetBIOS suffix value of 0x03.