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Explorer
nicksieracki
Explorer
November 4, 2025
Question

ZR version 6.6 seems to break HDMI Sharing using a Crestron UC Engine

Hey All,

 

After upgrading to ZR version 6.6 it looks like HDMI content isnt able to be shared into Zoom via the Crestron HDMI Converter on a UC Engine. Since min version was just enforced, I can no longer downgrade to a 6.5.x version.  Has anyone else see this?

 

thanks

3 replies

Newcomer
lunarBeacon100
Newcomer
November 5, 2025

Yeah, I’ve noticed the same issue after moving to 6.6 HDMI sharing just stopped working through the Crestron setup. It seems like a compatibility problem with the new build. Hopefully Zoom or Crestron pushes a quick patch for this soon.

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    MGSR
    Community Manager
    MGSR
    Community Manager
    November 14, 2025

    Hello @nicksieracki and @lunarBeacon100,

    Welcome to the Zoom Community! We're glad to have you here.

    Were you able to install a full log package? 

    When you begin screen sharing, does the Zoom Room freeze and display a spinning icon? When the Zoom Room reconnects and you attempt to share again, does the issue repeat?

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    Explorer
    nicksierackiAuthor
    Explorer
    November 14, 2025

    To us, it doesn't seem to attempt to trigger a USB sync handshake. 

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