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Mailbox agents using MS GRAPH API

  • February 18, 2022
  • 2 replies
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A
Byte
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Since Microsoft has announced they will stop development of EWS in favor of their Graph API we have received multiple questions from customer that ask if their mailbox backup is using Graph or EWS API for the backup and/or recovery.

https://devblogs.microsoft.com/microsoft365dev/upcoming-changes-to-exchange-web-services-ews-api-for-office-365/

I have not yet been able to find clear documentation about what Mailbox agents use which API to connect to O365. We are recommending for all customer to use modern authentication but several customer are asking official documentation that explain this.

Can anyone help me with this? This is for all Exchange Online as well as hybrid setups.

Best answer by Chris Hollis

Hi @AnyLinQ_Support 

We mention EWS on the Exchange Mailbox Agent main page: https://documentation.commvault.com/11.24/expert/28813_exchange_mailbox_agent.html

 

For Office 365 with Exchange environments, the Exchange Mailbox Agent uses Exchange Web Services (EWS) for archiving messages, which provides better throughput.


Hope this helps.

 

Chris

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2 replies

Chris Hollis
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  • Chris HollisVaulter
  • Vaulter
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  • Answer
  • February 21, 2022

Hi @AnyLinQ_Support 

We mention EWS on the Exchange Mailbox Agent main page: https://documentation.commvault.com/11.24/expert/28813_exchange_mailbox_agent.html

 

For Office 365 with Exchange environments, the Exchange Mailbox Agent uses Exchange Web Services (EWS) for archiving messages, which provides better throughput.


Hope this helps.

 

Chris

A
Byte
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Hi Chris,

 

Thank you for the link. Is there any news about when Commvault will use Graph as EWS will no longer be developed?

The customer will not be affected for a while as they already moved to modern authentication but these are questions our customer has.

 

Kind regards,

Paul

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