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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(268.8, 24%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVG%3C/text%3E%3C/svg%3E)
Request Id: 08f8e893-6464-4f16-985c-f46d37384800
Correlation Id: 0aac9a7d-e4a0-4e3f-a356-71c3ed8ceda2
Timestamp: 2023-01-12T20:40:36Z
Message: AADSTS50020: User account '******@gmail.com' from identity provider 'live.com' does not exist in tenant 'Vivacity' and cannot access the application '5e3ce6c0-2b1f-4285-8d4b-75ee78787346'(Microsoft Teams Web Client) in that tenant. The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account.
I just wanted to check in and see if you had any other questions or if you were able to resolve this issue?
Hi Victor,
Please see the following documentation on error ADDSTS50020:
If you received an invite from another tenant you should reach out to them to ensure you were setup correctly as a guest.
If this is helpful please accept answer.
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 24%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJM%3C/text%3E%3C/svg%3E)
Just checking in to see if above information was helpful. If you have any further updates on this issue, please feel free to post back.
Thank you for your post!
Error Message:
Message: AADSTS50020: User account '....@gmail.com' from identity provider 'live.com' does not exist in tenant '...' and cannot access the application '...75ee78787346'(Microsoft Teams Web Client) in that tenant. The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account.
From our Error AADSTS50020 - User account from identity provider does not exist in tenant documentation, your specific issue would be related to Cause 4 - Guest user wasn't invited.
Because the live.com (Gmail) user that you're logging in with doesn't belong to the Azure AD tenant. You'll need to sign in with a user that's part of the tenant, or have an Admin re-invite you as a Guest user using your Gmail email address. If your user is still part of the tenant, you can also try logging in through a Private Browser to see if that resolves your issue.
If you're still having issues, please let me know.
I just wanted to check in and see if you had any other questions or if you were able to resolve this issue?