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CochiseCloud-4560 avatar image
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CochiseCloud-4560 asked ricardosolisvillegas-4678 commented

Azure VM to Microsoft Office 365 internet routing

I have Azure Windows VMs that will require some users to connect to Office 365 for email and OneDrive uploads and downloads.

  1. Is my business's Office 365 considered an Azure service?

  2. Will the traffic leaving my VMs stay within Microsoft's network, or Azure backbone, instead of going out into the public Internet?

  3. If it stays within Microsoft's network, does it incur the regular egress network charges leaving my VNet?

In Microsoft's Doc for virtual networks their statement reads:
Internet: Routes traffic specified by the address prefix to the Internet. ...If the destination address is for one of Azure's services, Azure routes the traffic directly to the service over Azure's backbone network, rather than routing the traffic to the Internet. Traffic between Azure services doesn't traverse the Internet, regardless of which Azure region the virtual network exists in


azure-virtual-machines
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1 Answer

Prrudram-MSFT avatar image
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Prrudram-MSFT answered ricardosolisvillegas-4678 commented

Hello @CochiseCloud-4560,

Thank you for reaching out to the Microsoft Q&A platform. Happy to answer your question.

Any communication from azure VM for Office 365 for email and OneDrive uploads and downloads will be over public internet. It will not be through azure backbone network.

Office 365 for email and OneDrive are not azure services, here is the list of Azure Services https://azure.microsoft.com/en-in/services/.
If the destination address is for one of Azure's services, Azure routes the traffic directly to the service over Azure's backbone network, rather than routing the traffic to the Internet stands correct for those services listed in the above link.

Please "Accept as Answer" and Upvote if the answer provided is useful, so that you can help others in the community looking for remediation for similar issues.


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ricardosolisvillegas-4678 avatar image ricardosolisvillegas-4678 ricardosolisvillegas-4678 ·

This can be done like this... Using Express route!

BR,

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