Commvault incident

Degraded Performance: Office 365 Exchange Archive-Only Backups

Resolved on October 14, 2025.

resolved Oct 14, 2025, 08:54 PM UTC

We have identified an issue impacting Office 365 Exchange clients that are configured for archive mailbox only backups. The issue is not present if primary and mailboxes are backed up together in a single client. A fix is being deployed, and we expect service to be fully restored soon.

Started
Oct 14, 2025, 08:54 PM UTC
Resolved
Oct 14, 2025, 08:54 PM UTC
Duration
–
Detected by Pingoru
Oct 14, 2025, 08:54 PM UTC

Update timeline

  1. resolved Oct 14, 2025, 08:54 PM UTC

    We have identified an issue impacting Office 365 Exchange clients that are configured for archive mailbox only backups. The issue is not present if primary and mailboxes are backed up together in a single client. A fix is being deployed, and we expect service to be fully restored soon.

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