Unable to Back Up Microsoft 365 User Emails - x360Cloud

Written By Tami Sutcliffe (Super Administrator)

Updated at October 24th, 2025

Table of Contents

Issue Solution How to configure Exchange Online Impersonation:

Unable to back up Microsoft 365 user emails.

Your administrative user needs to implement the User Impersonation in Microsoft's Exchange Online.

2. Go to the ‘Exchange” Admin section.

3. In ‘Exchange admin center’ go to Permissions> Admin roles and choose Discovery Management

4. On the Discovery Management screen, the ‘ApplicationImpersonation’ role should be added (+ button), and the admin should be a member.

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