Message CenterFeature updateUser impactAdmin impact

MC1150679 — Additional Domain Whitelisting Required for Microsoft Whiteboard

MC1150679Microsoft 365 for the webstayInformedUpdated: 9 September 2025

Organizations using explicit domain whitelisting for Microsoft Whiteboard must immediately add whiteboard.svc.cloud.microsoft to their firewall rules to avoid service disruptions, as Whiteboard now operates under the cloud.microsoft domain. No action is needed if *.cloud.microsoft is already whitelisted.

Applies to: Microsoft 365 for the web
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).