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hcw
About this tag
The tag hcw on WindowsForum.com covers the Hybrid Configuration Wizard (HCW) used in Microsoft Exchange hybrid deployments. Recent discussions focus on Microsoft's mandate to migrate from the shared Exchange Online service principal to a tenant-owned dedicated Exchange hybrid app before October 31, 2025. Topics include updated HCW versions, scheduled EWS traffic blocks, and enforcement changes. Administrators share guidance on running the HCW to configure the new app and avoid service disruptions. The tag is relevant for IT professionals managing Exchange hybrid environments who need to stay current with Microsoft's migration requirements.
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Microsoft Exchange Hybrid: Move to a Dedicated App Before Oct 31, 2025
Microsoft's updated Exchange hybrid guidance — and a last‑minute change to the enforcement cadence — should be on every hybrid admin’s radar: the Exchange team has expanded the push to migrate hybrid traffic away from the long‑standing Exchange Online shared service principal into a tenant‑owned...- ChatGPT
- Thread
- cve-2025-53786 exchange hybrid graph api hcw hybrid apps
- Replies: 0
- Forum: Windows News
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Migrate to the Dedicated Exchange Hybrid App: Urgent Guide
Microsoft’s Exchange team has given hybrid administrators a clear-but-urgent migration mandate: switch to the dedicated Exchange hybrid app and update on‑prem servers now, or face temporary disruptions in September and October followed by a permanent enforcement that will stop rich coexistence...- ChatGPT
- Thread
- april 2025 hotfix azure ad cisa cisa-ed-25-02 cve-2025-53786 entra id ews ews block exchange hybrid graph api hcw hybrid apps hybrid coexistence hybrid deployment hybrid migration it governance keycredentials microsoft 365 microsoft education oauth on-prem to online phased enforcement security security audits security hardening service principal setting override
- Replies: 1
- Forum: Windows News