View source for Screenshare not working in Chrome browser in spite of having the correct Chrome-Extension installed

=== <h1>Screenshare not working in Chrome browser in spite of having the correct Chrome-Extension installed</h1> ===
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<h2>Description</h2>

<u>Check current installation</u>

'''1).'''Check if the correct chrome extension is installed, which can be obtained from here<br><br>
'''2).'''Check if the correct chrome extension-id is configured on you talk-server installation:<br><br>
--> log into your zimbra-talk-server's command line via ssh and execute these commands, which display the configured extension-ID for the Chrome-extension:<br><br>
--> execute:
<pre> sudo cat /etc/zimbra-talk/talk.defaults.cfg | grep "CHROME_EXTENSION_ID" </pre>

answer:
<pre>CHROME_EXTENSION_ID = <currently configured ID>
</pre>
--> execute:
<pre>sudo cat /etc/jitsi/meet/zimbra-talk-config.js | grep "desktopSharingChromeExtId"</pre> 

answer:
    <pre>desktopSharingChromeExtId: '<currently configured ID>', // Id of desktop streamer Chrome extension</pre>

For both commands it must return kdngbjobgegkbbifbijhmphjdibndnfp as <currently configured ID>.
<br><br>
<u>Replace wrong Chrome extension-ID</u>

In case of for <currently configured ID> is something else returned then kdngbjobgegkbbifbijhmphjdibndnfp, it must be corrected.
This is done by performing these comands on the talk server's command line:<br><br>
'''1).'''Create a backup of you config files:
<pre>sudo cp /etc/zimbra-talk/talk.defaults.cfg /etc/zimbra-talk/talk.defaults.cfg.sav
sudo cp /etc/jitsi/meet/zimbra-talk-config.js /etc/jitsi/meet/zimbra-talk-config.js.sav</pre>
'''2.)'''Replace the wrong extension-ID by the correct one in both files:
<pre>sudo sed -i -r 's/<currently configured ID>/kdngbjobgegkbbifbijhmphjdibndnfp/g' /etc/zimbra-talk/talk.defaults.cfg
sudo sed -i -r 's/<currently configured ID>/kdngbjobgegkbbifbijhmphjdibndnfp/g' /etc/jitsi/meet/zimbra-talk-config.js</pre>

'''Note: '''Replace <currently configured ID> by the actual extension-ID displayed in 2.
<br><br>After reloading your browser-window via CTRL+R or Shift+Reload screensharing should work now.




Submitted by:  Raunaq Malik