2.2.1.7 Server MCS Attach User Confirm PDU

The MCS Attach User Confirm PDU is an RDP Connection Sequence PDU sent from server to client during the Channel Connection phase of the RDP Connection Sequence (see section 1.3.1.1 for an overview of the RDP Connection Sequence phases). It is sent as a response to the MCS Attach User Request PDU (section 2.2.1.6).


0


1


2


3


4


5


6


7


8


9

1
0


1


2


3


4


5


6


7


8


9

2
0


1


2


3


4


5


6


7


8


9

3
0


1

tpktHeader

x224Data

mcsAUcf

...

tpktHeader (4 bytes): A TPKT Header, as specified in [T123] section 8.

x224Data (3 bytes): An X.224 Class 0 Data TPDU, as specified in section [X224] 13.7.

mcsAUcf (4 bytes): PER-encoded MCS Domain PDU which encapsulates an MCS Attach User Confirm structure, as specified in [T125] sections 11.18 (the ASN.1 structure definitions are given in [T125] section 7, parts 5 and 10).