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When you try to enable route filters for Microsoft Office 365, you receive the following error message: 

The customer subscription ID <Azure subscription ID> is not authorized for creating route filters for Office 365.


You need Microsoft authorization to create filters for Office 365. Microsoft reviews every customer request to use ExpressRoute for Office 365 and only approves requests under the following scenarios:

  • ExpressRoute for Office 365 connectivity is required to meet regulatory compliance.

  • A Skype for Business network assessment demonstrates poor connectivity to Office 365.

Contact the Microsoft Account team to learn about the review process for ExpressRoute for Office 365. Users of unauthorized subscriptions who try to create route filters for Office 365 receive an error message.


For information about the process to obtain authorization for creating route filters for Office 365, see Azure ExpressRoute for Office 365

Note Customers who have account teams should contact their account team directly. Commercial customers who don't have account managers should directly submit a request through ExpressRoute for Office 365 Review.

More Information

Microsoft changed how the Microsoft Peering routing domain is reviewed for Azure ExpressRoute. Beginning July 31, 2017, all Azure ExpressRoute customers can enable Microsoft Peering directly from the Azure Administrative console or through PowerShell. After enabling Microsoft Peering, any customer can create route filters to receive Border Gateway Protocol (BGP) route advertisements for Dynamics 365 Customer Engagement applications (formerly known as CRM Online).

Customers who need Azure ExpressRoute for Office 365 must request a review from Microsoft before they can create route filters for Office 365. To learn about how to request a review for enabling Office 365 ExpressRoute, please contact your Microsoft account team. 

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