74598d1cc3
From [MS-RCPBCGR] 3.3.5.12.1:- > ...The contents of this PDU SHOULD NOT be compressed. > > This PDU MUST NOT be sent to a client that has not indicated support for > it by setting the RNS_UD_CS_SUPPORT_MONITOR_LAYOUT_PDU flag (0x0040) > in the earlyCapabilityFlags field of the Client Core Data (section > 2.2.1.3.2). Also, 2.2.12.1 specifies the source channel must be zero. In testing, a compressed monitor layout PDU causes mstsc.exe to exit with a protocol error.