Is Cohesity Helios down right now?
Yes — Cohesity Helios is reporting a all systems operational as of Aug 19, 9:42 PM UTC.
Current Status
Service Under Maintenance
Components
Recent Incidents
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.
CCS AWS Availability Zone incident on US-EAST-1 - minor impact
noneMay 8, 2026 · resolved May 9
AWS has resolved the issue. Everything seems to be back on line.
Stale Activity Page and Reporting Data on Helios
minorMay 6, 2026 · resolved May 6
This incident has been resolved.
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Cohesity Helios status — frequently asked questions
Is Cohesity Helios down right now?
Yes — Cohesity Helios is reporting a all systems operational as of Aug 19, 9:42 PM UTC.
What is Cohesity Helios's current status?
Cohesity Helios: Service Under Maintenance. 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.
