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Cannot Login to 8x8 Meet for Outlook 365 Using Chrome
8x8 Support

Cannot Login to 8x8 Meet for Outlook 365 Using Chrome

Symptom

 When logging in, using the 8x8 Meet Outlook 365 in Chrome or Chromium-based browsers, users might get an error similar to below. The issue does not occur with other non Chromium browsers at this time.

{"timestamp":1585250571828,"status":401,"message":"Callback state param doesn't match server state","messageKey":"user.authentication.failed","path":"/sso/eight/callback"}

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Applies To

  • 8x8 Meet Outlook 365
  • Chrome
  • Chromium-based browsers

Resolution

This is due to a recent Chrome update, where they changed the default behavior (enable) of the SameSite by default cookies flag.

To resolve this issue, we need to disable that flag:

  1. Open a new tab in Chrome and typechrome://flags for Chromium-based browsers:  browsername://flags 
  2. Search for SameSite by default cookies flag.  It will be set to Default (enabled). Disable this option and re-launch Chrome.clipboard_ea0aeb836f8df2e770a3ca0ab0875a3fd.png
  3. Log into the 8x8 Meet plugins.

Additional Information

8x8 is working on modifying the add on so that it will work with Chrome's default configuration. For now, disabling the flag will resolve the issue. Other non Chromium browsers work without additional modification.

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