Cohesity had 29 outages in the last 2 years totaling 1372h 37m of downtime — averaging 1.2 incidents per month.
There were 29 Cohesity outages since October 11, 2024 totaling 1372h 37m of downtime. Each is summarised below — incident details, duration, and resolution information.
GlobalSearch on the Helios platform may show delayed or stale information. We have identified the issue and team is actively working on a fix.
A fix has been implemented and we are monitoring the results.
This incident has been resolved
We are investigating an issue affecting the Helios management console. Some customers may experience errors, slow page loads, or difficulty accessing certain UI features. Backup and recovery operations already running on your clusters are not expected to be affected. Our engineering team is actively working to identify the cause. There is no need to open a support case at this time; we will post updates here as more information becomes available.
The issue has been identified and team is working on implementing the fix.
A fix has been implemented and we are monitoring the results
This incident has been resolved.
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.
We are continuing to investigate this issue.
We have identified the root cause of the issue. Our engineering team is actively implementing a fix.
A fix has been implemented and we are monitoring the environment.
This incident has been resolved.
GlobalSearch 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!
This incident has been resolved. The sync is back to normal.
We have been made aware of an issue on the Microsoft side of degradation of services which are impacting CCS workloads. Our understanding is that they have remediated the issue and things should be corrected. If you continue to experience problems, please contact Cohesity Support. More information can be found at: https://status.cloud.microsoft/m365/referrer=serviceStatusRedirect
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.
This issue has been resolved.
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!
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.
The Activity Page and Reports on the Helios platform should be fully functional with no lag now.
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.
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.
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.
This incident has been resolved.
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.
This incident has been resolved.
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.
AWS has resolved the issue. Everything seems to be back on line.
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.
The issue has been identified and a fix is being implemented.
A fix has been rolled out for this issue, and our internal monitoring indicates that all login issues have been resolved.
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.
This issue only impacts AWS cloud resources. Azure cloud resources are not impacted.
We are currently implementing a fix for this issue.
Fix is applied. Source refresh and adding new cloud sources should work. We will keep this open and monitoring over the next 24 hours.
We found some customers were still experiencing issues due to an edge case. Fix has been applied. Monitoring.
This issue should be resolved. If you continue to experience issues with adding resources or source refresh, please work with our support team.
We are seeing connectivity issues related to Azure. We are currently investigating and will provide updates here. Our connections with AWS are not impacted.
We have identified the issue and have applied a fix and are closely monitoring.
This issue has been resolved.
We want to let our customers know that we are seeing connectivity issues between the Cohesity Cluster and the Helios service. We are currently looking into this issue, and we will update you on the progress. We really apologize for the inconvenience.
We want to let our customers know that activities on the Data Protect services are also impacted and we are aggressively working to resolve this issue.
We have identified the issue and are working on a fix. We will keep you updated on the progress.
A fix has been deployed, and we are closely monitoring the situation.
This incident has been resolved.
Customers with F3 O365 licenses may experience backup issues with a 403 response code. Microsoft is aware of the issue and is rolling out a fix. We will send out another notice when we believe it is resolved.
The issue has been identified and a fix is being implemented.
Microsoft has rolled out a fix and all should be resolved. If you are still experiencing issues, please reach out to our support team.
We want to let our customers know that we are seeing issues accessing the Helios services. We are working to resolve the problem as soon as possible. We apologize for the inconvenience.
Helios service is currently up and running. We are working to understand the root cause of the issue and will keep our customers posted on the update.
This incident has been resolved.
Our users may experience intermittent delays in seeing latest job updates in "Activity page & Reporting page". The team has identified the issue and is verifying the fix.
We have deployed a fix and are monitoring the system health.
This incident has been resolved.
We want to let our customers know that some of the backup runs have been impacted due to the AWS outage. We are closely looking at the issue and will be sending communication to our customers on the impacted runs.
AWS has reported that most of its services have recovered at this time. We have also communicated with our impacted customers due to this outage through emails and support bot cases. Our current metrics indicate that all backups are functioning normally. We are closing this incident at this time. If you have any questions, please contact Cohesity Support.
We will upgrade the Data Protect Service in the APAC region on August 14, 2025. This upgrade involves both the backend infrastructure and the SAAS Connectors. We don't anticipate any impact on accessing your data, backups, management console, cluster management, or other services. This rollout impacts only customers subscribed to Data Protect as a Service. Should you experience any issues, please reach out to Cohesity support.
This was a maintenance announcement, but was opened as an incident. Resolving incident, and scheduling the maintenance accordingly.
We want to let our customers know that we are seeing issues while logging into the Cohesity Cloud services. At this time, one of our underlying cloud vendors is having issues, which is causing this disruption. We are closely working with our vendor to address this issue as soon as possible. We apologize for any inconvenience.
We are continuing to investigate this issue.
The issue is addressed by our cloud vendor, and we are closely monitoring the situation.
This incident has been resolved.
We want to inform our customers that Teams backups are experiencing intermittent failures due to a change on the Microsoft end. We are working internally to come up with a workaround while Microsoft addresses the core issue. We apologize for any inconvenience. We will continue to provide updates on the progress.
We are continuing to investigate this issue.
We are continuing to investigate this issue.
We are continuing to work on this issue and escalating it to Microsoft. We will provide more updates as we hear from Microsoft. We are also working to see if we can mitigate this issue from our end. We apologize for any inconvenience.
We would like to inform our customers that Microsoft has confirmed the issue is resolved, and we are closely monitoring our metrics. We will continue to provide updates.
This incident has been resolved.
We want to let our customers know that we are seeing connectivity issues with Cohesity Fortknox and we are looking into this issue. We apologize for any inconvenience.
We have identified the issue and are working to roll out a fix. We will continue to update on the progress. We apologize for any inconvenience.
We want to let our customers know that we have deployed the fix and closely monitoring the situation.
We want to let our customers know the fix has been applied and our metrics are showing a positive trend. All of the FortKnox functions should have resumed at this time and we are closely monitoring the situation.
We want to let our customers know the issues is resolved and we are operating normally. We apologize for the inconvenience.
We want to let our customers know there are issues while logging into the Helios Portal. We are currently looking into it and will update on the progress as soon as possible.
We are continuing to see intermittent login issues into the Helios Portal. We are aggressively working to determine the root cause of the issue. We will keep updating on the progress.
Our customers should be able to login into the Helios Portal at this time. We are working to find the root cause of the problem. We will continue to provide an update on the progress.
We have been closely monitoring our metrics for the last few hours and we could confirm the issue is resolved. The connectivity to Helios Portal was intermittent for few minutes between 8:44 AM PST and 8:51 AM PST. We have identified the root cause to be an infrastructure issue in the backend and we have addressed it. We apologize for the inconvenience.
We want to let our customer know that we are seeing high failure rates while adding policies to protect new objects. We are aggressively working on this issue to resolve it as soon as possible. We really apologize for the inconvenience.
We want to let our customers know that we are continuing to investigate the issue. We will keep you updated on the progress.
We want to let our customers know that we have identified the issue and working on a fix. As soon as we have the fix we will deploy and provide an update.
We want to let our customers know that we have deployed the fix and closely monitoring the metrics. We are seeing a positive trend on the metrics and are confident the issue is resolved at this time. We really apologize for any inconvenience.
We want to inform our customers that the deployed fix works as expected. We apologize for any inconvenience.
Our users may experience intermittent delays in seeing latest job updates in "Activity page". The team has identified the issue and is testing a fix.
We want to let our customers know that on Jan 2nd 2025 we identified delays in processing the data on the backend between 5 AM PST to 10 AM PST. As a result of this, we observed the activity page not reflecting the latest information during the time mentioned above. We have addressed this issue and all the functions have been restored to a healthy state.