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Upgrading Backup Proxy Servers

To communicate with backup proxy servers, Veeam Backup for Microsoft Office 365 uses the proprietary service — Veeam Backup Proxy for Microsoft Office 365 Service that is installed on the target proxy machine. If this service becomes outdated, make sure to upgrade it manually.

To upgrade backup proxy servers, do the following:

Launch the New Proxy Upgrade wizard.
Select a backup proxy server to upgrade.
Specify credentials.