Identified - Description: We are tracking reports of "Forbidden" errors during Office 365 backups caused by a recent Microsoft Exchange Online behavior change. This affects specific tenants and mailboxes using EWS.

Exchange Online jobs may show User Mailboxes reporting a Mailbox Status of:
Throttling from Exchange, Failed to process mailbox due to [The request failed. Forbidden]

Resolution:
Additional information and steps to resolve this can be found here, https://support.commvault.com/Article/Details/KA-191556

Jun 22, 2026 - 12:18 UTC
Web Portal Operational
West Europe Operational
REST API Operational
East US2 Operational
Reports Operational
West Europe Operational
Usage & Metering Operational
West Europe Operational
Active Directory Operational
West Europe Operational
France Central Operational
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Switzerland North Operational
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Endpoint Operational
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Switzerland North Operational
France Central Operational
West Europe Operational
Italy North Operational
SalesForce Operational
Switzerland North Operational
South Africa North Operational
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West Europe Operational
Italy North Operational
VM & Kubernetes Operational
North Europe Operational
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Database Operational
Switzerland North Operational
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Dynamics 365 Operational
West Europe Operational
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Office 365 Operational
West Europe Operational
France Central Operational
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Google Workspace Operational
Europe West 4 Operational
File & Object Operational
South Africa North Operational
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Switzerland North Operational
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Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Sep 30, 2026

Completed - The scheduled maintenance has been completed.
Sep 30, 04:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 30, 03:00 UTC
Scheduled - We will be doing quick maintenance to ensure the best experience for our customers.We will be back shortly and operations that were in progress will immediately resume.
Sep 27, 08:01 UTC

Sep 29, 2026

No incidents reported.

Sep 28, 2026

Resolved - **Resolved: Azure–GCP Connectivity Restored**

The connectivity issue between Azure and GCP has been fully resolved, and all affected services are operating normally. We will continue to monitor the environment to ensure stability.

We apologize for the disruption and appreciate your patience.

Sep 28, 18:21 UTC
Investigating - We are investigating degraded network connectivity between our Azure and Google Cloud Platform (GCP) environments. Some customers may experience increased latency, intermittent timeouts, or failed requests for services that rely on cross-cloud communication.

Our engineering teams are actively working to identify the cause and restore normal service. We will provide another update within 2 hours, or sooner if more information becomes available.

Sep 24, 11:03 UTC

Sep 27, 2026

No incidents reported.

Sep 26, 2026

No incidents reported.

Sep 25, 2026

No incidents reported.

Sep 24, 2026

Sep 23, 2026

Resolved - This incident has been resolved.
Sep 23, 20:59 UTC
Investigating - We are currently investigating a reported issue affecting authentication through Okta login. Our team is actively working to determine the scope and cause of the issue. We will provide additional updates as more information becomes available.
Sep 23, 17:56 UTC
Resolved - This incident has been resolved.
Sep 23, 17:56 UTC
Monitoring - We will be performing scheduled maintenance between September 15 and September 17 to enhance the reliability and performance of our AWS network infrastructure. During this maintenance window, customers may experience brief periods of increased latency or intermittent connectivity to some services.

Our teams will work to minimize any impact, and we do not anticipate extended service interruptions. We will provide any updates throughout the maintenance window and notify customers once the work has been completed.

Sep 14, 13:48 UTC
Completed - The scheduled maintenance has been completed.
Sep 23, 04:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 23, 03:00 UTC
Scheduled - We will be doing quick maintenance to ensure the best experience for our customers.We will be back shortly and operations that were in progress will immediately resume.
Sep 20, 08:02 UTC

Sep 22, 2026

Resolved - This incident has been resolved.
Sep 22, 16:00 UTC
Investigating - We are aware of an issue affecting Microsoft OneDrive backup operations, resulting in an increased number of failed backup items for some customers. Our engineering team is actively investigating the issue and working to determine the root cause. We will continue to provide updates as we learn more.
Sep 17, 14:58 UTC
Resolved - This incident has been resolved.
Sep 22, 16:00 UTC
Monitoring - A fix has been implemented, and all affected jobs are now running successfully. We are continuing to closely monitor the environment to ensure ongoing stability.
Sep 18, 07:34 UTC
Investigating - We are currently investigating an issue affecting SharePoint backup job processing. Some customers may experience delays in backup job completion. Our team is actively working to identify the cause and restore normal processing, and we will provide updates as more information becomes available.
Sep 17, 21:38 UTC

Sep 21, 2026

No incidents reported.

Sep 20, 2026

No incidents reported.

Sep 19, 2026

No incidents reported.

Sep 18, 2026

Sep 17, 2026

Sep 16, 2026

Completed - The scheduled maintenance has been completed.
Sep 16, 04:30 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Sep 16, 03:00 UTC
Scheduled - We will be doing quick maintenance to ensure the best experience for our customers.We will be back shortly and operations that were in progress will immediately resume.
Sep 13, 08:01 UTC