Customer Action Needed by April 2, 2026 - Certificate Based Authentication
Update - ACTION NEEDED: Please be reminded that action is needed by customers before April 2, 2026 or their backups will stop. Instructions are on the original message of this incident.
Mar 27, 2026 - 15:36 UTC
Update - ACTION NEEDED: Please be reminded that action is needed by customers before April 2, 2026 or their backups will stop. Instructions are on the original message of this incident.
Mar 24, 2026 - 14:42 UTC
Update - ACTION NEEDED: Please be reminded that action is needed by customers before April 2, 2026 or their backups will stop. Instructions are on the original message of this incident.
Mar 18, 2026 - 16:25 UTC
Update - Please be reminded that action is needed by customers before April 2, 2026 or their backups may stop. Instructions are on the original message of this incident.
Mar 11, 2026 - 14:39 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Feb 26, 2026 - 19:15 UTC
Scheduled - 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
Feb 26, 2026 19:15 - Apr 3, 2026 19:15 UTC
CCS impacted in AWS UAE region
Update - We continue to work with the AWS team to address issues in ME-Central-1 & ME-South-1 regions. We will continue to provide updates as we get more from our cloud provider.
Mar 05, 2026 - 17:26 UTC
Update - We are closely working with the AWS team to address issues in ME-Central-1 & ME-South-1 regions. We will continue to provide updates as we get more from our cloud provider.
Mar 03, 2026 - 10:53 UTC
Investigating - We are currently experiencing an impact to our backend infrastructure in AWS ME-Central-1 region due to operational issues with our primary cloud provider (AWS).
Our team is actively monitoring the situation and working to minimize any disruption. We will share updates here as soon as we have more information on resolution and restored availability
Mar 02, 2026 - 10:26 UTC
Cohesity Cloud Services Portal Operational
Data Protect delivered as a Service Operational
Cohesity FortKnox Operational
Cohesity DataHawk Operational
Cohesity App Store Operational
Cluster connectivity Operational
Smart Assistant Operational
Identity Management Operational
Infrastructure Operational
Cohesity Gaia Services Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance

Scheduled Maintenance

Cohesity Cloud Services GovCloud Control Plane Upgrade Mar 30, 2026 15:00-19:00 UTC

We will be performing a scheduled upgrade on Cohesity Cloud Services. There will be no impact to customers during the maintenance window. The changes are rolled out to all services listed in the Cohesity status page. Customers should be able to login to manage their data and all operations including backups, cluster management, DR should function as usual. Should you experience any issues, please reach out to Cohesity support.
Posted on Mar 26, 2026 - 22:02 UTC
Mar 28, 2026

No incidents reported today.

Mar 27, 2026
Cohesity Cloud Services Upgrade
Completed - The scheduled maintenance has been completed.
Mar 27, 10:00 UTC
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 27, 05:00 UTC
Scheduled - We will be performing a scheduled upgrade on Cohesity Cloud Services. There will be no impact to customers during the maintenance window. The changes are rolled out to all services listed in the Cohesity status page. Customers should be able to login to manage their data and all operations including backups, cluster management, DR should function as usual. Should you experience any issues, please reach out to Cohesity support.
Mar 24, 02:20 UTC
Mar 26, 2026

No incidents reported.

Mar 25, 2026

No incidents reported.

Mar 24, 2026
Mar 23, 2026

No incidents reported.

Mar 22, 2026

No incidents reported.

Mar 21, 2026

No incidents reported.

Mar 20, 2026

No incidents reported.

Mar 19, 2026

No incidents reported.

Mar 18, 2026
CCS - Source Refresh and New Cloud Source Additions Currently Not Working
Resolved - This issue should be resolved. If you continue to experience issues with adding resources or source refresh, please work with our support team.
Mar 18, 16:24 UTC
Update - We found some customers were still experiencing issues due to an edge case. Fix has been applied. Monitoring.
Mar 6, 18:04 UTC
Monitoring - Fix is applied. Source refresh and adding new cloud sources should work. We will keep this open and monitoring over the next 24 hours.
Mar 4, 23:12 UTC
Identified - We are currently implementing a fix for this issue.
Mar 4, 22:11 UTC
Update - This issue only impacts AWS cloud resources. Azure cloud resources are not impacted.
Mar 4, 04:14 UTC
Investigating - We want to inform our customers of an issue when adding a new cloud source to CCS or when doing a source refresh. These features are currently impacted and not functional. This impact stems from the current AWS outage in the Middle East region. We are working on a fix to address this issue. We will provide updates as we make progress.
Mar 4, 03:20 UTC
Mar 17, 2026

No incidents reported.

Mar 16, 2026

No incidents reported.

Mar 15, 2026

No incidents reported.

Mar 14, 2026

No incidents reported.

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