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https://www.reddit.com/r/exchangeserver/comments/1x55ks4/released_october_2026_exchange_server_security/pgkuvzk/?context=3
r/exchangeserver • u/santimandu • 15h ago
https://techcommunity.microsoft.com/blog/exchange/released-october-2026-exchange-server-security-updates/4563014
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Apparently no fix for the free/busy for delegated mailboxes in hybrid deployments using only Graph API:
https://support.microsoft.com/en-us/servicing/exchange/server/update/2026/5127092
0 u/M4UX 48m ago That was actually fixed with the September 2026 V2 Update: Released: September 2026 V2 Exchange Server Security Updates | Microsoft Community Hub
0
That was actually fixed with the September 2026 V2 Update: Released: September 2026 V2 Exchange Server Security Updates | Microsoft Community Hub
1
u/Crafty_Practice_8449 11h ago
Apparently no fix for the free/busy for delegated mailboxes in hybrid deployments using only Graph API:
https://support.microsoft.com/en-us/servicing/exchange/server/update/2026/5127092