QA » QE-Workstation

Description:
SLED using tigervnc access a SLES which is already using a desktop and the multiple login is detected by gdm and refused

Setup:
Client: SLED15
Server: SLES12SP3 with xvnc enabled but without session management
    - run as root user: yast2 remote
    - Click "Allow Remote Administration Without Sessions
Management"
    - Check "Open Port in Firewall"
    - Click "OK"
    - Press "Alt-f2" then input "r" to restart gdm
    - You have to log in the graphical session before the remote access

Steps:
    Note: You have to log in the graphical session in SLES before the remote access

1. Launch gnome-terminal in SLED as normal user then input "vncviewer"
2. Enter the host(eg: IP:1) into the VNC server field and click "Connect"
3. There will be a popup window named "hostname mismatch" if your connection does not use TLS, then click "Yes"
4. Input the password and log in the system

5. Close vncviewer

6. vncviewer can be launched successfully

7. It starts a graphical login screen

8. Log in failed with notification:
       Sorry, You have to log out a previous session first, Multiple logins are not supported.