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66304432 avatar image
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66304432 asked JamesTran-MSFT commented

Customer cannot join as a guest to another organization

Hello Teams Community,



Please i need your help on this issue.



An invitation has been sent to the client by an external organization but the user cannot accept the invitation because of this error: ADDB2B_0013 : your organization does not allow collaboration on the domain of the user you invited. Please contact your administrator to allow cooperation with this domain.



Organization is allowed teams to collaborate with other organizations. There are no collaboration restrictions in Azure Active Directory either.



Can you help us with the problem?

office-teams-windows-itproazure-active-directory
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@66304432
Thank you for your post!

Error Message:
ADDB2B0013: your organization does not allow collaboration on the domain of the user you invited

From your error message and as you mentioned, your Azure AD tenant doesn't have any external collaboration restrictions. However, since the Client is trying to access another organization that they were invited to, can you see if that Azure AD tenant has any restrictions when it comes to their external collaboration settings?


Additional Links:
Troubleshooting Azure Active Directory B2B collaboration
Allow or block invitations to B2B users from specific organizations
Invitee’s Admin has disallowed EmailVerified Users from being created in their tenant



If you're still having issues, please let me know.
Thank you for your time and patience throughout this issue.

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1 Answer

kaaven avatar image
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kaaven answered

If you are an admin you can run this test to get this checked.
https://aka.ms/TeamsGuestAccessDiagDMC

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