Multimedia: Collaborate Issue - Black Screen with a Purple Circle Displaying

Particular to the browser Chrome 80 to access Blackboard Collaborate Ultra form within Blackboard Learn. Instead of the session information loading, a purple circle on a dark background displays:

If you look at the console information, the following error displays:

angular.js:15 Uncaught (in promise) DOMException: Failed to read the 'localStorage' property from 'Window': Access is denied for this document.

Chrome is blocking the ability for Blackboard Collaborate Ultra to load.

A possible cause/solution to this issue: If the user has 3rd party cookies blocked, Collaborate will not load.  The end user needs to add us-lti.bbcollab.com as an approved site.

  1. Go into the Chrome cookie settings: chrome://settings/content/cookies?search=cookies

Click Add beside Allow (toward the bottom of the screen)

Enter us-lti.bbcollab.com and click Add

A possible cause/solution to this issue has been identified.  If the user has 3rd party cookies blocked, Collaborate will not load.  The end user needs to add us-lti.bbcollab.com as an approved site.

  1. Go into the Chrome cookie settings: chrome://settings/content/cookies?search=cookies
  2. Click Add beside Allow (toward the bottom of the screen)cid:image004.png@01D5FD4C.5EEE6040

Enter us-lti.bbcollab.com and click Add



This allows your browse to accept cookies and local storage data from the Collaborate server. The user does not need to restart the browser.  They just need to go back to Blackboard and re-click the Collaborate link inside their course again.