Reviewed : 18/11/2020
AhsayCBS / AhsayOBM: 188.8.131.52 or above.
OS: All platforms
This document contains instructions on how to temporarily increase the EWS (Exchange Web Services) throttling policy limit for Exchange Online / Outlook mailboxes (Office 365).
The steps provided in this article will apply to backup jobs that are encountering throttling issue on Exchange Online / Outlook mailboxes.
These changes will not resolve throttling issue on OneDrive, Personal Site or SharePoint Site collection backup. For example, for info message such as "Will retry in x second(s). Reason=Request is being throttled".
Important: The option to change EWS throttling setting through the automated help pages was introduced by Microsoft as a response to the COVID-19 crisis. It is possible that this option may become unavailable over time.
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