Turn on or turn off guest access to Microsoft Teams
As the Office 365 admin, you must enable the guest feature before you or your organization's users (specifically, team owners) can add guests.
The guest settings are set in Azure Active Directory. It takes 2 hours to 24 hours for the changes to be effective across your Office 365 organization. If a user sees the message "Contact your administrator" when they try to add a guest to their team, it's likely that either the guest feature hasn't been enabled or the settings aren't effective yet.
To enable the full experience of the guest access feature, it's important to understand the core authorization dependency between Microsoft Teams, Azure Active Directory, and Office 365. For more information, see Authorize guest access in Microsoft Teams.
Guest access vs. external access (federation)
External access (federation) and guest access are different:
Guest access gives access permission to an individual. External access gives access permission to an entire domain.
Guest access, once granted by a team owner, allows a guest to access resources, such as channel discussions and files, for a specific team, and chat with other users in the team they have been invited to. With external access (federated chat), the external chat participants have no access to the inviting organization’s teams or team resources. They can only participate in one-on-one federated chat. Tenant admins can choose between the two communication options depending on which level of collaboration is desirable with the external party. Admins can choose either approaches or both, depending on their organizational needs, but we recommend enabling guest access for a fuller, collaborative Teams experience.
For a detailed comparison, see Manage external access.
Configure guest access in the Microsoft Teams admin center
Sign in to the Microsoft Teams admin center.
Select Org-wide settings > Guest access.
Set the Allow guest access in Microsoft Teams toggle switch to On.
Set the toggles under Calling, Meeting, and Messaging to On or Off, depending on the capabilities you want to allow for guest users.
- Make private calls – Turn this setting On to allow guests to make peer-to-peer calls.
- Allow IP video - Turn this setting On to allow guests to use video in their calls and meetings.
- Screen sharing mode – This setting controls the availability of screen sharing for guest users.
- Turn this setting to Disabled to remove the ability for guests to share their screens in Teams.
- Turn this setting to Single application to allow sharing of individual applications.
- Turn this setting to Entire screen to allow complete screen sharing.
- Allow Meet Now – Turn this setting On to allow guests to use the Meet Now feature in Microsoft Teams.
- Edit sent messages - Turn this setting On to allow guests to edit messages they previously sent.
- Guests can delete sent messages – Turn this setting On to allow guests to delete messages they previously sent.
- Chat – Turn this setting On to give guests the ability to use chat in Teams.
- Use Giphys in conversations – Turn this setting On to allow guests to use Giphys in conversations. Giphy is an online database and search engine that allows users to search for and share animated GIF files. Each Giphy is assigned a content rating.
- Giphy content rating – Select a rating from the drop-down list:
- Allow all content - Guests will be able to insert all Giphys in chats, regardless of the content rating.
- Moderate - Guests will be able to insert Giphys in chats, but will be moderately restricted from adult content.
- Strict – Guests will be able to insert Giphys in chats, but will be restricted from inserting adult content.
- Use memes in conversations - Turn this setting On to allow guests to use Memes in conversations.
- Use Stickers in conversations – Turn this setting On to allow guests to use stickers in conversations.
Use PowerShell to turn guest access on or off
Download the Skype for Business Online PowerShell module from https://www.microsoft.com/en-us/download/details.aspx?id=39366
Connect a PowerShell session to the Skype for Business Online endpoint.
Import-Module SkypeOnlineConnector $Cred = Get-Credential $CSSession = New-CsOnlineSession -Credential $Cred Import-PSSession -Session $CSSession
Check your configuration and if
$False, use the Set-CsTeamsClientConfiguration cmdlet to set it to
Get-CsTeamsClientConfiguration Identity : Global AllowEmailIntoChannel : True RestrictedSenderList : AllowDropBox : True AllowBox : True AllowGoogleDrive : True AllowShareFile : True AllowOrganizationTab : True AllowSkypeBusinessInterop : True ContentPin : RequiredOutsideScheduleMeeting AllowResourceAccountSendMessage : True ResourceAccountContentAccess : NoAccess AllowGuestUser : True AllowScopedPeopleSearchandAccess : False Set-CsTeamsClientConfiguration -AllowGuestUser $True -Identity Global
You can now have guest users in Teams for your organization.
Watch the following video for more details about guest access.
|Adding Guests in Microsoft Teams|
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