MC1150679 | Additional Domain Whitelisting Required for Microsoft Whiteboard

Service

Microsoft 365 for the web

Last Updated

2025-09-09T23:20:55.693Z

Published

2025-09-09T23:18:53Z

Message ID

MC1150679

Introduction To maintain uninterrupted access to Microsoft Whiteboard, organizations using explicit domain whitelisting must update their firewall configurations. This change supports backend service operations as part of Microsoft’s One Consolidated Domain Initiative (OCDI). When this will happen This change is effective immediately. We recommend updating your firewall rules as soon as possible to avoid service disruptions. How this affects your organization Microsoft Whiteboard has transitioned to the cloud.microsoft domain under OCDI. While many tenants have already whitelisted *.cloud.microsoft, some organizations using explicit domain whitelisting have only added whiteboard.cloud.micros...

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