Forum Discussion
I cannot add external participants in a shared channel in Teams
I did all the steps in the article below but still the issue exists.
- Hi AtanasM,
This can be a solution in the future:
MC635987 (July 11, 2023): "...provide a way for organizations to capture and redirect requests for external collaboration when users attempt to add an external member to a shared channel where B2B direct connect cross-tenant trust has NOT been mutually configured between the two organizations.”
- MathieuVandenHautteSteel Contributor
The AtanasM,
Please check:In "External Identities > Cross-tenant access settings": add the other organization.
The other organization also has to add your organization in their tenant.
In "External Identities > Cross-tenant access settings > Added organization"
- Your Microsoft 365 organization has to configure the B2B collaboration and B2B direct connect settings (inbound and outbound access)
- The other Microsoft 365 organization ALSO has to configure the same the B2B collaboration and B2B direct connect settings (inbound and outbound access)
- Start with allow "all users and groups" and "all applications". You can narrow it down later
In "External Identities > External collaboration settings". Collaboration restrictions: “allow invitations to be sent to any domain (most inclusive)”. This is also the default setting.
In Microsoft Teams admin center > Teams policies > Global (Org-wide default). Check toggle on
- Invite external users to shared channels
- Join external shared channels- AtanasMIron ContributorI did all these steps, but still cannot add guests.
- MathieuVandenHautteSteel ContributorHi AtanasM,
This can be a solution in the future:
MC635987 (July 11, 2023): "...provide a way for organizations to capture and redirect requests for external collaboration when users attempt to add an external member to a shared channel where B2B direct connect cross-tenant trust has NOT been mutually configured between the two organizations.”