Exchange Online Frequently Asked Questions

  1. Can I use RPS directly to backup Exchange Online users without using any proxy?
  2. Yes, you can.
  3. Do I need administrator/ Group Admin account to backup Exchange Online mailboxes?
  4. No, the backup account only needs specific set of permissions. For more details, view link.
  5. What type of throughput can I expect for Exchange Online backups if my internet bandwidth is good?
  6. Besides network bandwidth, Throughput is also limited by the rate at which data is read from Exchange server that is controlled by Exchange server design.
  7. Sometimes, Exchange server refuses the connection to Arcserve UDP to read data. In such cases, Arcserve UDP keeps trying till it gets a successful connection. The longer wait time can lead to the lower throughput numbers.
  8. If I have more users configured in the backup plan than the number of licenses, can I run partial backups of the licensed users?
  9. No, you cannot. if you run backup for more users than the number of licenses available, then the backup fails for all users. For example, if you have configured 100 users to protect in the Arcserve UDP console whereas you have 90 available licenses, the backup will fail. To run the backup successfully, you need to remove 10 or more users from the protected users list.
  10. How can I improve the backup throughput performance?
  11. Consider the following points to ensure optimal throughput performance: