Forum Discussion
When screen sharing people see black screen
Hi Viren_Manek;
Believe is ISP related.
Change the QoS setting in Teams fixed the problems for us.
Your tenant admin needs to change this:
Teams Admin> Meetings > Meeting Settings > Network
Turn off -> Insert Quality of Service (QoS) markers for real-time media traffic
Also update Teams client to the latest version.
Log-out and log back in.
Restart your Teams app.
You may need to wait for the change to kick in.
Good luck.
Regards
Tenny
Unfortunately the turning off of "Insert Quality of Service (QoS) markers for real-time media traffic" in the Teams Admin Meeting settings did not do the trick for me. I also tried connecting through my mobile hotspot in case it had anything to do with restrictions on my work network - to no avail.
Interestingly, in the same meeting, with the same connection, a colleague can share their screen with me - no problem, but visa versa it doesn't work.
Findings \ Notes:
1. Black screen sharing when using Asus - Router --> Telstra NBN
2. Works fine when connected directly: Laptop -- > Telstra NBN (no Asus router between laptop and NBN)
3. It works when using wireless broadband to Telstra network.
3. It works when VPNing out
4. It works when both machines are in the same network, therefore no router between them.
5. It works with the Web client
- Hi all,
hope this might help:
we had more than 10 users had this issue over a month ago, turned-off "Insert Quality of Service (QoS) markers for real-time media traffic" in Teams admin settings fixed the issue for all initially. However, the problem re-occurred for 3 users used to have the problem and 1 new user a couple of weeks ago. We then turn-on "Insert Quality of Service (QoS) markers for real-time media traffic" on late 25th Jun, and turn-off the setting on 27th Jun early morning. it fixed the issue for those 4 users since. All our users do not have the issue since. The key here is not to change the setting immediately. Hope it work for you.Thank you Tenny
