Citrix shadow feature relies on Microsoft remote assistance feature.
We invoke MS API GetNoviceUserInfo() to generate msrc incident file.
In this scenario, this API calls returns an exception.
See trace from Director:
36,1,2023/05/04 16:32:55:92522,4972,5412,1,DirectorService,,0,,1,Information,”[t:171, s:unknown] PowerShell equivalent: New-BrokerMachineCommand -Category DirectorPlugin -Synchronous -MachineUid 75 -CommandName GetRAConnectionString -CommandData (New-Object System.Text.ASCIIEncoding).GetBytes(‘<GetRAConnectionStringPayload xmlns=””http://schemas.datacontract.org/2004/07/Citrix.Dmc.Vda.Command“” xmlns:i=””http://www.w3.org/2001/XMLSchema-instance“”><SessionId>df0d5cb4-caf3-48e3-8e18-b53614ac548c</SessionId></GetRAConnectionStringPayload>’) | foreach {(New-Object System.Text.ASCIIEncoding).GetString($_.CommandResponseData)}”,””
37,2,2023/05/04 16:33:03:71201,4972,5412,1,DirectorService,,0,,1,Error,”[t:171, s:unknown] NewMachineSynchronousCommand: Failed to execute command GetRAConnectionString Error=Synchronous call on plugin failed with exception:Interface not registered
Failed to find proxy registration for IID:{ADD8BA80-002B-11D0-8F0F-00C04FD7D062} .”,””