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There are different ways to connect teams through Microsoft Teams. We use B2B direct connect as it’s the most user-friendly and secure method, utilizing Entra and exchanging tenant IDs.

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Required Permissions in Teams

  1. Navigate to the Microsoft Teams Admin Center.
  2. Click Global (Org-wide default)
  3. Ensure that Join external shared channels is activated. If you changed your settings, click Apply
    Please verify that the langdock.com organization is not blocked. If you use a whitelist, langdock.com should be on the whitelist. If you use a blacklist, it should not be on the blacklist.

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Create a Microsoft Entra ID B2B direct connect channel

You will need an admin with Microsoft Security permissions to set up the following steps. We follow the steps detailed in this Microsoft guide. The guide from Microsoft goes through these steps:
  • Add an organization.
  • Configure inbound settings for the organization to allow users from the organization to be invited to your shared channels.
  • Configure outbound settings for the organization to allow your users to be invited to the other organization’s shared channels.
We will only add an organization and configure outbound settings. Inbound settings are not needed since the Langdock team will invite you to a shared channel.

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Add an organization

  1. Go to Users and then to External access
  2. Ensure that Teams and Skype for Business users in external organizations is either set to Allow all external domains or Allow only specific external domains
  3. If you only want to allow specific domains, click Create a list of external domains that are allowed. Only the specified external organizations are trusted. All other domains will be blocked.
  4. Click Add external domains
  5. Enter langdock.com and click Add. Then click Done to close the sidebar.
  6. Click Save

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Configure outbound settings

  1. In a new tab, navigate to the Microsoft Entra Admin Center
  2. In the sidebar on the left, click External Identities
  3. Select Cross-tenant synchronization
  4. Switch to the Organizational settings tab. Then, click Add organization
  5. Click the Tenant ID or domain name field and enter langdock.com
  6. Select Langdock GmbH and click Add
  7. Click Inherited from default in the Outbound access category for the Langdock organization
  8. Go to the B2B direct connect tab
  9. Click Customize settings
  10. For users and groups, click Allow access for the access status
  11. Go to the External applications tab and select Allow access for the access status
  12. Click Select external applications
  13. Click Add Microsoft applications
  14. Check the box for the Office 365 app registration
  15. Click Select
  16. Click Save
  17. Confirm with Yes. You have now completed the B2B direct connect setup from your side.

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Share your tenant ID with Langdock

  1. Please reach out to your contact at Langdock and share your tenant ID with them. You can find the tenant ID on the home page of the Microsoft Entra Admin Center.
  2. The Langdock team will invite you and your users to the shared channel. You and your users will receive an invite via email to join the channel. Please check your spam inbox if you don’t receive an email.
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