Failed to join stream: Screen Share session already registered // Screen share session fails to be established

TeamSpeak 6 Client
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I do not know, for me the Server does not also work, but I thought that’s because my self-hosted server had it disabled.

We can currently just wait for TeamSpeak staff to address the issues formally.

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90

The server does not handle screen share at the moment. A server sided SFU is not implemented yet, but we are working on it.

If a screen share session can’t be established it will in most cases be a network or firewall issue. Check out the solution here in this topic. This is the only advice I can give you right now regarding connection issues…

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91

Hello everyone,

I’m having a problem with screen sharing on TeamSpeak and I would really appreciate some help.

Whenever I try to share my screen, anyone who joins my stream (my friends) only sees it loading forever. The same happens to me when I try to join their screen sharing — it just keeps loading infinitely and never starts.

Important details:

  • We are using P2P mode

  • We do NOT have server-side screen sharing enabled

  • We are using the official 10-user plan from the TeamSpeak website

  • Even if we set the stream quality to the lowest possible setting, the problem continues

  • It happens with any user, not just one specific person

We already tried lowering quality settings, but it didn’t change anything.

Has anyone experienced this issue before?
Is this a limitation of the P2P setup, a port issue, firewall problem, or something related to the 10-user plan?

Any help would be greatly appreciated.

Thank you!

We are all on Windows 11 and using the latest version of TeamSpeak 6.

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92

Hello,
Same here on selhosted beta TS6 server with free license.
Since my friends and I are in Russia, I attribute this behavior to the country’s blocking of the STUN protocol due to the ban on calls to Telegram and WhatsApp. As I read somewhere here on the forum, TS uses its own external STUN server (hosted by TeamSpeak team) to establish P2P connection between two clients behind a NAT.
The screensharing stopped working for us this week or last week.
But if you’re in a free country without network blocking, something else might be going on.