Guest User Accounts

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Identifying Obsolete Guest User Accounts in an Office 365 Tenant

Many Office 365 applications now create Azure Active Directory guest accounts. What's the best way to discover if the accounts are active and in use? This PowerShell script uses the Office 365 audit log and message trace data to figure out what guest accounts are active and outputs a CSV file for your review and analysis. Like any other PowerShell script, it can be adapted to suit your purposes.

Last Update: Aug 22, 2023

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Restricting Guest User Access in Azure Active Directory

Clamping Down on Guests After several years’ usage, most Office 365 tenants are accustomed to guest users and the way that the Microsoft 365 groups membership model allows guests access to group resources such as plans, sites, and teams. For most, the model works well, and the only issue is how to best manage the…

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