Is Cohesity Helios down right now?
No — Cohesity Helios is up. All systems operational as of Aug 28, 1:49 AM UTC.
Current Status
All Systems Operational
Components
Recent Incidents
Data Processing Delays - Activity Page and Reports Affected
minorAug 24, 2026 · resolved Aug 25
The Activity Page and Reports on the Helios platform should be fully functional with no lag now.
Intermittent issue impacting OneDrive and Mailbox workloads in CCS.
minorAug 24, 2026
We are currently investigating an intermittent issue impacting certain Microsoft 365 backup jobs (OneDrive and mailbox workloads). Some objects may temporarily be reported as Unprotected, and new backup jobs may be temporarily unable to run. Please be assured this is not attributable to any action on your part; our team has identified the root cause and is implementing a fix. We will provide further updates as they become available.
Customer Action Needed - Migrate to Certificate Based Authentication (CBA)
maintenanceJul 16, 2026
We are reissuing this incident statement as Microsoft has recently made the change and we have seen many tenants that have not migrated. Below is the original incident language that was sent in February 2026. Cohesity is issuing this advisory to inform our Cloud Protection Service (CPS) customers of an important change regarding authentication for Microsoft 365 workflows. Microsoft is retiring Azure Access Control Service (ACS), effective April 2, 2026. Currently, ACS is utilized for authentication in certain Microsoft 365 workflows, including backups for SharePoint, OneDrive, Teams, and Groups. After April 2, 2026, backups for these protection jobs will fail unless customers migrate to Certificate-Based Authentication (CBA). To ensure uninterrupted service and data protection, we strongly recommend that all customers review the provided Knowledge Base (KB) article and follow the migration instructions. This impacts all regions and all CCS customers. Recommended Action: All recipients of this Field Notice are advised to review the KB article from the additional Resources section for detailed information and recommended preventive actions. KB article: https://support.cohesity.com/s/article/Steps-to-enable-CBA-Migration-for-CPS Microsoft change announcement: https://learn.microsoft.com/en-us/sharepoint/dev/sp-add-ins/retirement-announcement-for-azure-acs
Helios Gov & CCS Gov Impact
majorJun 3, 2026 · resolved Jun 4
This incident has been resolved.
Stale Activity Page and Reporting Data on Helios
minorMay 13, 2026 · resolved May 14
This incident has been resolved.
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Cohesity Helios status — frequently asked questions
Is Cohesity Helios down right now?
No — Cohesity Helios is up. All systems operational as of Aug 28, 1:49 AM UTC.
What is Cohesity Helios's current status?
Cohesity Helios: All Systems Operational. Alert24 checks Cohesity Helios's status page continuously and can notify you the moment it changes.
How do I get alerted when Cohesity Helios goes down?
Alert24 monitors Cohesity Helios and 3,700+ other cloud and SaaS providers. When an outage is detected it updates your status page automatically and pages your on-call team — no manual checks. Start free at alert24.net.
