Outage in Commvault

Exchange Mailbox Intermittent Issues

Minor
December 10, 2025 - Started 4 days ago
Official incident page

Incident Report

We are currently experiencing intermittent issues originating from Microsoft’s side that are impacting certain Exchange mailboxes. Affected users may encounter the following error message in their mailbox status: “No valid Azure app found. Please run check readiness.” Our team is actively engaging with Microsoft to investigate and resolve the matter. We will provide the next update as soon as additional information becomes available. We appreciate your understanding and cooperation during this time.

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Latest Updates ( sorted recent to last )
INVESTIGATING 4 days ago - at 12/10/2025 02:14PM

We are currently experiencing intermittent issues originating from Microsoft’s side that are impacting certain Exchange mailboxes. Affected users may encounter the following error message in their mailbox status: “No valid Azure app found. Please run check readiness.”
Our team is actively engaging with Microsoft to investigate and resolve the matter. We will provide the next update as soon as additional information becomes available.
We appreciate your understanding and cooperation during this time.

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