KB2649: How to move Veeam Backup for Microsoft Office 365 ...
https://www.veeam.com/kb264907.05.2018 · Remove the original remote proxy from the Veeam Backup for Microsoft Office 365 console. Move the repository data from the original proxy to the new proxy where the new repository is planned. For example, using RoboCopy. Add the new remote proxy in the Veeam Backup for Microsoft Office 365 console. Add an old repository from the new proxy location.