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Updated June 26, 2025: We have updated the timeline below. Thank you for your patience.

To enhance security and reduce potential data exposure, we are updating the behavior of the Get-FederationInformation cmdlet in Exchange Online. This change limits the scope of domain data returned by the cmdlet.

Expert Analysis & Resources

Deep-dive articles and expert insights about Microsoft 365 updates by Cengiz YILMAZ (Microsoft MVP)

Exchange Server November Security Update: Fix CVE-2022-41040 – CVE-2022-41082 Nov 8, 2022

Exchange Server’da HSTS Yapılandırması Sep 23, 2023

FortiMail Anti-Spoofing Rules Apr 13, 2024

Hybrid AD: failed to validate timestamp in computerIdentitydata Sep 6, 2022

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