This Transaction subcommand was introduced in the LAN Manager 1.0 dialect.<137>

The TRANS_TRANSACT_NMPIPE subcommand of the SMB_COM_TRANSACTION is used to execute a transacted exchange against a named pipe. This transaction MUST only be used for named pipes of the duplex message type. This section covers the specific details of using the TRANS_TRANSACT_NMPIPE subcommand. For general information see SMB_COM_TRANSACTION.