Microsoft 365 Certified: Teams Administrator Associate MS-700 Microsoft Study Notes

To prevent unauthenticated users from joining Teams meetings, you need to turn off the anonymous meeting join feature in Teams. Here are the steps to follow:

Sign in to the Teams admin center with your admin credentials.

Go to  Meetings   >   Meeting settings .

Under  Participants , set  Anonymous participants can join a meeting  to  Off .

Click  Save  to apply the changes.

To provide only Adele Vance with the ability to turn on and off Teams preview features, you need to create and assign a custom update policy for her. Here are the steps to do so:

Sign in to the Microsoft Teams admin center with your Microsoft 365 username and password 1 .

In the left navigation, go to Teams > Teams Update policies.

Select Add to create a new policy or select an existing policy to open Update policy.

Name the update policy, add a description, and select Enabled from the drop-down menu for Allow public preview. This option enables Teams Public Preview regardless of whether a user is enrolled in Office Current Channel (Preview). The end user must also opt in to Teams public preview in their Teams app 2 .

Click Save and then Close.

In the left navigation, go to Users and then search for Adele Vance from the list of users.

In the user details page, go to Policies and then click Edit next to Assigned policies.

In the Assigned policies pane, under Update policy, select the policy that you created or modified in step 4 from the drop-down menu.

Click Apply and then Close.

Now, Adele Vance can tu rn on and off Teams preview features by following these steps in her Teams app 3 :

Select the three dots to the left of your profile to display the Teams menu.

Select About > Public preview.

Select Switch to Public preview or Switch back to standard version.

To ensure that only users from litwareinc.com can be added to Teams as guest users, you need to configure the guest access settings in Azure Active Directory (AAD). Here are the steps to follow:

Sign in to the Azure portal with your admin credentials.

Go to Azure Active Directory  >  External identities  >  External collaboration settings.

Under Collaboration restrictions, select Allow invitations only to the specified domains (most restrictive).

In the Allow invitations to these domains box, enter litwareinc.com. You can also add more domains if you want, separated by commas.

Click Save to apply the settings.

That’s it. You have successfully restricted the guest access in Teams to a specific domain. This means that only users with email addresses from litwareinc.com can be invited as guests to your teams.  You can also prevent guests from being added to a specific team by using sensitivity labels 1  or PowerShell 2 .

To enable shared channel collaboration with microsoft.com, you need to use the Teams admin center to configure the channel policy and the cross-tenant access settings. Here are the steps to follow:

Sign in to the Teams admin center with your Microsoft 365 username and password 1 .

In the left navigation, go to Teams > Teams update policies.

Select an existing policy or create a new one by clicking Add.

In the Update policy pane, under Shared channels, turn on the toggles for Allow shared channel creation and Allow external shared channel participation. This will allow users to create shared channels and participate in shared channels created by microsoft.com.

Click Save and then Close.

In the left navigation, go to Org-wide settings > External access.

Under Cross-tenant access settings, click Manage settings.

In the Cross-tenant access settings pane, under Shared channels, select Allow specific domains and then enter microsoft.com in the box below. This will allow users to invite Microsoft contacts to shared channels created by your company.

Click Save.

Note: You also need to make sure that microsoft.com has configured their cross-tenant access settings to allow shared channel collaboration with your domain. See Collaborate with external participants in a channel 2 for more details.