Azure Active Directory Risky Sign-In Policy Blocks Guest Access to Office 365 Tenants

Office 365 makes extensive use of Azure Active Directory guest accounts. Implementing a risky sign-in policy is a good idea, but it can have the unfortunate side-effect of suddenly blocking guest accounts that could previously access tenant resources. If blocks happen, they can only be lifted through administrative intervention in the guest account’s home tenant.

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Email One-Time Passcodes for Azure Active Directory

Microsoft has launched email one-time passcodes (OTP) into preview for Azure Active Directory guest accounts. It’s all to do with better collaboration. OTP doesn’t support Teams, Planner, or Office 365 Groups yet, but it can be used to share documents from SharePoint Online or OneDrive for Business.

Including a Teams Channel in an Exchange Distribution List

Now that we know all about the different email addresses used by Office 365 Groups and Teams, the question arises of how to include a team channel as a member of a distribution group. As it turns out, there’s a simple way and a more complicated way.