Enforce Office 365 Identity in Yammer

1. Log into Yammer with your Yammer admin account.
2. If you are using the new Yammer, go to Settings > Edit Network Admin Settings in the upper right hand side.



If you are using the old Yammer, go to Settings > Network Admin at the upper left hand side.

3. Click Security Settings under Content and Security.
4. Scroll down to Office 365 Identity Enforcement, click on Enforce Office 365 identity checkbox.



5. A confirmation message will ask you to select the appropriate level of enforcement.



6. Select Committed Enforcement and press okay.

Note: Once you made this change, you will not be able to undo it, your users will not be able to log in with their Yammer user accounts anymore, only Yammer users with Azure Active Directory accounts will be able to log in to Yammer moving forward.

7. Click Save to save your settings.
8. Go back to Security Settings after at least 15 minutes, and check the status under Office 365 Connected Yammer Groups, it should be enabled.