O365

Symptoms

  1. You are backing up Microsoft Office 365 mailboxes.
  2. Backup finishes with warnings:
    .NET exception 'System.InvalidOperationException' has occurred: There is an error in XML document.
     
    Error code: 428
    Module: 91
    LineInfo: 0xF2DD8062218B0B1E
    Fields: {"$module":"arx_agent_fork_vsa64_3917"}
    Message: Some emails in folder 'XXXXXXXXXXXXXXXXXXX' will be skipped during backup.
    ------------------------
    Error code: 3101

Symptoms

Office 365 mailbox has Not protected status although a group backup plan is applied.

Cause

Issue happens because currently C2C agent does not perform backup of O365 mailboxes that do not have a valid license.

Symptoms

  1. You have configured Office 365 C2C backup or agentless backup for ESX(i) VMs
  2. Backups run correctly, with no apparent errors
  3. When you check the dashboard for the protected O365 mailboxes or for VMs (e.g. for the last 30 days), the widget shows 0 Total runs and 0 Number of successful runs 

Cause

Issue in the product.

Symptoms

While using the C2C Agent, you notice that one Backup took a lot of time to complete. When checking list of recovery points in Cyber Protection console, you notice a slice is the same size as Full Backup taken originally or close to it.

Cause

Acronis C2C Agent checks the amount of changes in each site before running a backup.

Full backup is produced if: