Can't launch app via remoteapp?

Question

remoteapp

N
When launching the application via remoteapp, the splash screen hangs on: Preparing Windows
Other collections on the same connection broker server work fine
The server itself is accessible via rdp, the application itself functions normally on the server (No errors were found in the Microsoft-Windows-RemoteApp and Desktop Connections/Operational log The server is new enough, but not
a single application that I would not have published in remoteapp on this server starts beyond the inscription Preparing Windows
Of the roles, only RDSH is installed