1. Open a browser.
2. Navigate to ​http://172.26.87.60/
3. Click on the desired Group Name in order to connect to the VNC session on the respective server.
4. A new page will open with the available sessions for the respective group.
5. Select the session you wish to connect to, a new tab will open, and the user will be prompted for the vnc session password.
6. Enter VNC session password.
7. Click "Send Password" or hit Enter

Additional info:

1. The VNC display sizing can be changed by selecting the "gear" icon on the noVNC control panel (arrow usually on left side of web page) and then adjusting "Scaling Mode"