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Cohesity Helios Outage History

Daily provider-status observations and published incident history for Cohesity Helios.

Operational

Cohesity Helios is operational. Verified . Official provider source.

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96.6% of 29 verified observed days had no reported provider issue

90-Day Trend

Jul 3Sep 30

Dashed calendar markers below identify legacy observations whose source-at-observation was not recorded.

Recorded Daily Status (Last 91 Days)

Jul 2 Today
Legacy observation Operational Degraded Partial Outage Major Outage Maintenance No Data

Incident History

September 2026
Cohesity Cloud Services Infrastructure Maintenance
major Observed active window 3h 19m

View incident details and source

Started:

Cluster connectivity Infrastructure Cohesity NetBackup Cohesity IT Analytics
monitoring
A fix has been implemented and we are monitoring the environment.
identified
We have identified the root cause of the issue. Our engineering team is actively implementing a fix.
investigating
We are continuing to investigate this issue.
investigating
During our scheduled backend infrastructure maintenance, we identified issues impacting a subset of services. The maintenance window is still in progress, and our engineering team is actively investigating and working to restore full service.
August 2026
Intermittent issue impacting OneDrive and Mailbox workloads in CCS.
minor Observed active window 545h 2m

View incident details and source

Started:

Cohesity Cloud Services Portal
identified
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.
March 2026
CCS impacted in AWS UAE region
major

View incident details and source

Started:

Data Protect delivered as a Service Cohesity FortKnox
investigating
We are continuing to investigate this issue.
investigating
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.
investigating
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.
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

Legacy Incident Archive

6 archived records restored. These records predate source-at-observation attestation. They are shown as historical ServiceAlert records only and do not establish a provider-reported incident, resolution, duration, or current active state.

August 2026
Data Processing Delays - Activity Page and Reports Affected
minor Source not attested
Last archived state: resolved
View archived record details
Cohesity Cloud Services Portal
monitoring
We have deployed a fix, and the sync is expected to complete within the next six hours. We will keep you updated on the progress.
investigating
The Activity Page and Reports on the Helios platform may show delayed or stale information due to an unplanned background sync issue. Our team has identified the cause and is actively working to resolve it. We'll post an update once syncing is back to normal — thanks for your patience!
June 2026
Helios Gov & CCS Gov Impact
major Source not attested
Last archived state: resolved
View archived record details
monitoring
We have deployed a fix to address the issue and are closely monitoring the situation to ensure stability. We will continue to keep you updated as we confirm full resolution. Thank you for your patience.
investigating
We have identified the root cause of the current outage and our team is actively working toward a resolution. This issue affects only CCS customers on Helios Gov. Customers managing on-premises clusters through Helios Gov are not impacted and can continue operating normally. We will share a further update as soon as one is available. We appreciate your patience.
investigating
We want to let you know that we are encountering issues with our Helios service. As a result of this you might experience frequent logout in the Management portal and device connector service. We are aggressively working to resolve the issues. We apologize for any inconvenience.
May 2026
Stale Activity Page and Reporting Data on Helios
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
Some parts of the Helios platform, including the Activity Page and Reports, may display delayed or stale information due to recent system maintenance. Your data is safe we're actively re-syncing everything and will update you as soon as services are fully restored. Thank you for your patience.
CCS AWS Availability Zone incident on US-EAST-1 - minor impact
Source not attested
Last archived state: resolved
View archived record details
monitoring
AWS has notified us of some impacted nodes on specific availability zones in US-EAST-1 clusters. All backups are still running on impacted clusters. Cohesity has added more infrastructure to mitigate this issue, but backup jobs may run longer than expected. AWS expects to be restored to full capacity within a day.
Stale Activity Page and Reporting Data on Helios
minor Source not attested
Last archived state: resolved
View archived record details
monitoring
We identified some infrastructure issues and are currently replaying system data to ensure everything is up to date. As a result, some screens like Activity Page, Reporting etc. may show stale or delayed information. We're working to get everything synced as quickly as possible and appreciate your patience!
April 2026
SSO authentication
major Source not attested
Last archived state: resolved
View archived record details
identified
The issue has been identified and a fix is being implemented.
investigating
We want to let our customers know that we are currently working on an intermittent issue with logging into Helios via SSO integration. We are actively working to resolve the problem and will keep you updated on our progress.