Tips for DAG Exchange Backup and ... - Veeam Software
https://www.veeam.com/kb174427.03.2013 · Place the Exchange Virtual Machines disks on the fastest disks (Datastores) that are available. Disable all background scanning and/or maintenance tasks occurring in Exchange, or any other tools that are being leveraged against the system at the time of backup. Perform the Exchange Backup singularly as opposed to concurrently with other jobs.
KB4198: How to temporarily disable Exchange ... - veeam.com
https://www.veeam.com/kb419818.08.2021 · This article documents how to temporarily disable Exchange Web Services API throttling, potentially improving Exchange backup performance in Veeam Backup for Microsoft Office 365.. Note: Throttling may only be disabled temporarily; this should be sufficient to allow Veeam Backup for Microsoft Office 365 to perform the initial full backup.