r/exchangeserver • u/santimandu • 15h ago

MS KB / Update Released: October 2026 Exchange Server Security Updates

https://techcommunity.microsoft.com/blog/exchange/released-october-2026-exchange-server-security-updates/4563014

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u/fadinizjr 12h ago

I started having X-FEServer errors on OWA after updating to the second September SU...

This will be a fun month.