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Lifeline or Liability: Managing Emergency Accounts in Hybrid Environments

In this blog, we explore why break-glass accounts are your lifeline when identity systems fail. Microsoft’s updated guidance calls for two cloud-only Entra ID accounts with phishing-resistant MFA and restricted AD Administrator accounts limited to domain controllers. Excluding them from Conditional Access, storing credentials offline, and testing regularly ensures your emergency access is a lifeline — not a liability.

December 3, 2025

How to Use the Exchange Admin API

On November 17, Microsoft announced the Exchange Admin API, a REST-based method of interacting with Exchange Online administrative functions. Having a new API sounds exciting, but in reality the Exchange Admin API is a limited tool to help Exchange Web Services (EWS) developers migrate their apps before Microsoft retires EWS in October 2026. That being said, here's how the API works.

December 1, 2025

Practical Graph: Creating a Service Principal Analysis for a Microsoft 365 Tenant

Understanding the set of registered and enterprise apps active in a Microsoft 365 tenant is important. Attackers can sneak in and plant an app to exfiltrate or otherwise steal data. This article explains how to use PowerShell to create a service principal analysis report that highlights common problems and gives tenant administrators the data needed to manage apps.

November 17, 2025

Practical Graph: How to Delegate Device Management in Entra ID

Managing devices across large organizations can be complex. Administrative Units (AUs) help scope admin rights, but what about newly registered devices? In this article, we explain how to automate adding devices to the correct AU using Microsoft Graph and Azure Automation runbooks with managed identities—eliminating manual steps and improving security.

November 12, 2025

Finding Unused Proxy Addresses for Exchange Online Mail-Enabled Objects

A request came in about how to find unused proxy addresses for Exchange Online mail-enabled objects. There's no out-of-the-box report available for proxy address usage, but we can solve the problem by using a PowerShell script to download historical message trace data to check every proxy address for all mailboxes against. The question then is what to do with the unused proxy addresses?

November 5, 2025

Farewell Last Exchange Server, Copilot Memory Rolls Out, and Agentic AI Improvements – Practical 365 Podcast S04E44

In this episode of the Practical 365 Podcast, Steve Goodman and Paul Robichaux discuss major Exchange updates – including the fallout from a recent AWS outage, Microsoft’s new tools to finally remove your last on-premises Exchange server, the final patches for Exchange 2016/2019, Copilot’s upcoming memory & personalization upgrade, and more!

November 3, 2025