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se rtm
About this tag
The se rtm tag on WindowsForum.com covers content related to Exchange Server Subscription Edition (SE) RTM, a release version of Microsoft's on-premises email server. Tagged discussions focus on hotfix updates, non-security patches, and support for dedicated hybrid application workflows connecting on-premises Exchange with Exchange Online. Topics include update rollups, compatibility with Exchange Server 2019 and 2016, and integration with Microsoft Graph and EWS. The tag is relevant for IT administrators managing Exchange SE RTM deployments and hybrid configurations.
Microsoft’s Exchange team published a short but important Hotfix Update (HU) rollup for September 2025 that is aimed at fixing a non‑security issue in earlier updates and, crucially, preserves support for the dedicated Exchange hybrid application workflow introduced earlier in 2025 — the update...
august 2025
cisa
cu14
cu15
cve-2025-53786
entra id
ews
exchange hybrid
exchange server
exchange server 2016 cu23
graph permissions
health check
hotfix update
hybrid apps
hybrid configuration wizard
sertmservice principal
windows update