@tobydox Hello tobydox I have created an environment variable in the operating system with a value equal to 2 SET VEYON_SESSION_ID = 2 And also in the veyon-client environment. veyon-cli config set Service/VEYON_SESSION_ID 2 My session ID is two QUERY SESSION SESSION NAME USER NAME ID STATE services 0 Desc rdp-tcp # 2 administrator 2 Active console 3 Conn rdp-tcp 65536 Listen And in no case have I managed to make the screen that shows to the students the session in which the teacher works. I have also test with the new version of Veyon 4.4.0 I would like to remind you that both the students and the teacher are working on their own virtual desktop connected by RDP, that is, they are all in session 2 of their own virtual desktop.