Microsoft’s Exchange Update Fiasco: From Email Chaos to Granular Control
Microsoft has re-released the November 2024 security updates for Exchange Server after initial email delivery chaos. The updates, now dubbed Nov 2024 SUv2, address issues with custom mail flow rules, ensuring emails don’t take an unexpected holiday. Admins are encouraged to install the update and run the Exchange Health Checker script.

Hot Take:
Microsoft’s Exchange Server updates are like that one friend who cancels plans at the last minute only to reschedule them — except this time, it’s got email servers on edge, not just your Saturday night!
Key Points:
- Microsoft re-released November 2024 security updates for Exchange Server after initial issues.
- The updates caused email flow disruptions for servers with custom rules.
- New update (Nov 2024 SUv2) resolves these mail delivery issues.
- Admins advised to run Exchange Health Checker post-update for configuration sanity.
- New features include improved detection of non-compliant email headers to thwart phishing.
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