2.1.1 Server

The server interface SHOULD<1> be identified by a UUID, by using the RPC well-known endpoint \PIPE\winreg. The server SHOULD<2> specify RPC over SMB as the RPC protocol sequence to the RPC implementation, as specified in [MS-RPCE] section 2.1.1.2, although additional protocol sequences are allowed. The server MUST specify the "Simple and Protected GSS-API Negotiation Mechanism" (0x9) or "NTLM" (0xA) as the RPC Authentication Service, as specified in [MS-RPCE] section 3.2.1.5.1, or both.