Cohesity Outage History

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Cohesity had 29 outages in the last 2 years totaling 868h 48m of downtime — averaging 1.2 incidents per month.

There were 29 Cohesity outages since June 7, 2024 totaling 868h 48m of downtime. Each is summarised below — incident details, duration, and resolution information.

Source: https://status.cohesity.com

Minor May 13, 2026

Stale Activity Page and Reporting Data on Helios

Detected by Pingoru
May 13, 2026, 03:22 PM UTC
Resolved
May 14, 2026, 09:26 AM UTC
Duration
18h 4m
Affected: Cohesity Cloud Services PortalCohesity FortKnoxCohesity DataHawk
Timeline · 2 updates
  1. monitoring May 13, 2026, 03:22 PM UTC

    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.

  2. resolved May 14, 2026, 09:26 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice May 8, 2026

CCS AWS Availability Zone incident on US-EAST-1 - minor impact

Detected by Pingoru
May 08, 2026, 06:04 PM UTC
Resolved
May 09, 2026, 03:31 PM UTC
Duration
21h 26m
Affected: Data Protect delivered as a Service
Timeline · 2 updates
  1. monitoring May 08, 2026, 06:04 PM UTC

    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.

  2. resolved May 09, 2026, 03:31 PM UTC

    AWS has resolved the issue. Everything seems to be back on line.

Read the full incident report →

Major April 30, 2026

SSO authentication

Detected by Pingoru
Apr 30, 2026, 06:32 PM UTC
Resolved
May 01, 2026, 04:20 PM UTC
Duration
21h 48m
Affected: Cohesity Cloud Services PortalIdentity Management
Timeline · 3 updates
  1. investigating Apr 30, 2026, 06:32 PM UTC

    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.

  2. identified Apr 30, 2026, 09:57 PM UTC

    The issue has been identified and a fix is being implemented.

  3. resolved May 01, 2026, 04:20 PM UTC

    A fix has been rolled out for this issue, and our internal monitoring indicates that all login issues have been resolved.

Read the full incident report →

Major March 4, 2026

CCS - Source Refresh and New Cloud Source Additions Currently Not Working

Detected by Pingoru
Mar 04, 2026, 03:20 AM UTC
Resolved
Mar 18, 2026, 04:24 PM UTC
Duration
14d 13h
Affected: Data Protect delivered as a Service
Timeline · 6 updates
  1. investigating Mar 04, 2026, 03:20 AM UTC

    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.

  2. investigating Mar 04, 2026, 04:14 AM UTC

    This issue only impacts AWS cloud resources. Azure cloud resources are not impacted.

  3. identified Mar 04, 2026, 10:11 PM UTC

    We are currently implementing a fix for this issue.

  4. monitoring Mar 04, 2026, 11:12 PM UTC

    Fix is applied. Source refresh and adding new cloud sources should work. We will keep this open and monitoring over the next 24 hours.

  5. monitoring Mar 06, 2026, 06:04 PM UTC

    We found some customers were still experiencing issues due to an edge case. Fix has been applied. Monitoring.

  6. resolved Mar 18, 2026, 04:24 PM UTC

    This issue should be resolved. If you continue to experience issues with adding resources or source refresh, please work with our support team.

Read the full incident report →

Major February 6, 2026

Cohesity Cloud Services Backup issues involving Azure

Detected by Pingoru
Feb 06, 2026, 04:51 PM UTC
Resolved
Feb 06, 2026, 11:20 PM UTC
Duration
6h 28m
Affected: Data Protect delivered as a Service
Timeline · 3 updates
  1. investigating Feb 06, 2026, 04:51 PM UTC

    We are seeing connectivity issues related to Azure. We are currently investigating and will provide updates here. Our connections with AWS are not impacted.

  2. monitoring Feb 06, 2026, 05:03 PM UTC

    We have identified the issue and have applied a fix and are closely monitoring.

  3. resolved Feb 06, 2026, 11:20 PM UTC

    This issue has been resolved.

Read the full incident report →

Notice January 7, 2026

Helios Connectivity

Detected by Pingoru
Jan 07, 2026, 09:40 PM UTC
Resolved
Jan 08, 2026, 01:27 AM UTC
Duration
3h 46m
Affected: Cohesity Cloud Services PortalData Protect delivered as a ServiceCluster connectivity
Timeline · 5 updates
  1. investigating Jan 07, 2026, 09:40 PM UTC

    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.

  2. investigating Jan 07, 2026, 09:58 PM UTC

    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.

  3. identified Jan 07, 2026, 10:18 PM UTC

    We have identified the issue and are working on a fix. We will keep you updated on the progress.

  4. monitoring Jan 07, 2026, 10:41 PM UTC

    A fix has been deployed, and we are closely monitoring the situation.

  5. resolved Jan 08, 2026, 01:27 AM UTC

    This incident has been resolved.

Read the full incident report →

Notice November 26, 2025

Microsoft Issue Impacting CCS backup jobs

Detected by Pingoru
Nov 26, 2025, 04:41 PM UTC
Resolved
Nov 26, 2025, 10:51 PM UTC
Duration
6h 10m
Affected: Data Protect delivered as a Service
Timeline · 3 updates
  1. investigating Nov 26, 2025, 04:41 PM UTC

    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.

  2. identified Nov 26, 2025, 04:43 PM UTC

    The issue has been identified and a fix is being implemented.

  3. resolved Nov 26, 2025, 10:51 PM UTC

    Microsoft has rolled out a fix and all should be resolved. If you are still experiencing issues, please reach out to our support team.

Read the full incident report →

Major November 18, 2025

Issues accessing the Helios service

Detected by Pingoru
Nov 18, 2025, 10:20 PM UTC
Resolved
Nov 19, 2025, 05:03 AM UTC
Duration
6h 43m
Affected: Cohesity Cloud Services Portal
Timeline · 3 updates
  1. investigating Nov 18, 2025, 10:20 PM UTC

    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.

  2. monitoring Nov 18, 2025, 11:04 PM UTC

    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.

  3. resolved Nov 19, 2025, 05:03 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor November 4, 2025

Intermittent delays in loading Activity & Reporting page on Helios

Detected by Pingoru
Nov 04, 2025, 12:50 PM UTC
Resolved
Nov 05, 2025, 05:43 PM UTC
Duration
1d 4h
Affected: Cohesity Cloud Services Portal
Timeline · 3 updates
  1. investigating Nov 04, 2025, 12:50 PM UTC

    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.

  2. monitoring Nov 05, 2025, 07:02 AM UTC

    We have deployed a fix and are monitoring the system health.

  3. resolved Nov 05, 2025, 05:43 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice October 20, 2025

AWS outage impact on backups

Detected by Pingoru
Oct 20, 2025, 02:32 PM UTC
Resolved
Oct 20, 2025, 10:43 PM UTC
Duration
8h 11m
Affected: Data Protect delivered as a Service
Timeline · 2 updates
  1. investigating Oct 20, 2025, 02:32 PM UTC

    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.

  2. resolved Oct 20, 2025, 10:43 PM UTC

    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.

Read the full incident report →

Notice August 12, 2025

Cohesity cloud services scheduled upgrade for Data Protect Service (APAC Region)

Detected by Pingoru
Aug 12, 2025, 06:13 PM UTC
Resolved
Aug 12, 2025, 06:16 PM UTC
Duration
3m
Affected: Data Protect delivered as a Service
Timeline · 2 updates
  1. investigating Aug 12, 2025, 06:13 PM UTC

    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.

  2. resolved Aug 12, 2025, 06:16 PM UTC

    This was a maintenance announcement, but was opened as an incident. Resolving incident, and scheduling the maintenance accordingly.

Read the full incident report →

Major August 11, 2025

Access to Cohesity Cloud Services

Detected by Pingoru
Aug 11, 2025, 07:52 PM UTC
Resolved
Aug 11, 2025, 11:24 PM UTC
Duration
3h 32m
Affected: Cohesity Cloud Services PortalCohesity FortKnoxCohesity DataHawkCohesity App StoreSmart AssistantIdentity Management
Timeline · 4 updates
  1. investigating Aug 11, 2025, 07:52 PM UTC

    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.

  2. investigating Aug 11, 2025, 07:58 PM UTC

    We are continuing to investigate this issue.

  3. monitoring Aug 11, 2025, 11:02 PM UTC

    The issue is addressed by our cloud vendor, and we are closely monitoring the situation.

  4. resolved Aug 11, 2025, 11:24 PM UTC

    This incident has been resolved.

Read the full incident report →

Major July 19, 2025

Intermittent Teams backup failures

Detected by Pingoru
Jul 19, 2025, 06:01 PM UTC
Resolved
Jul 28, 2025, 02:20 PM UTC
Duration
8d 20h
Affected: Data Protect delivered as a Service
Timeline · 6 updates
  1. investigating Jul 19, 2025, 06:01 PM UTC

    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.

  2. investigating Jul 19, 2025, 07:07 PM UTC

    We are continuing to investigate this issue.

  3. investigating Jul 20, 2025, 03:06 AM UTC

    We are continuing to investigate this issue.

  4. investigating Jul 20, 2025, 04:03 AM UTC

    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.

  5. investigating Jul 25, 2025, 06:09 AM UTC

    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.

  6. resolved Jul 28, 2025, 02:20 PM UTC

    This incident has been resolved.

Read the full incident report →

Major June 5, 2025

Cohesity Fortknox connectivity issues

Detected by Pingoru
Jun 05, 2025, 03:11 PM UTC
Resolved
Jun 05, 2025, 08:31 PM UTC
Duration
5h 19m
Affected: Cohesity FortKnox
Timeline · 5 updates
  1. investigating Jun 05, 2025, 03:11 PM UTC

    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.

  2. identified Jun 05, 2025, 04:05 PM UTC

    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.

  3. identified Jun 05, 2025, 05:12 PM UTC

    We want to let our customers know that we have deployed the fix and closely monitoring the situation.

  4. monitoring Jun 05, 2025, 07:27 PM UTC

    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.

  5. resolved Jun 05, 2025, 08:31 PM UTC

    We want to let our customers know the issues is resolved and we are operating normally. We apologize for the inconvenience.

Read the full incident report →

Minor March 25, 2025

Cohesity Cloud Services logging issues.

Detected by Pingoru
Mar 25, 2025, 03:53 PM UTC
Resolved
Mar 25, 2025, 06:57 PM UTC
Duration
3h 3m
Affected: Cohesity Cloud Services PortalData Protect delivered as a ServiceCohesity FortKnoxCohesity DataHawkCohesity App StoreSmart Assistant
Timeline · 4 updates
  1. investigating Mar 25, 2025, 03:53 PM UTC

    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.

  2. investigating Mar 25, 2025, 04:08 PM UTC

    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.

  3. monitoring Mar 25, 2025, 04:34 PM UTC

    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.

  4. resolved Mar 25, 2025, 06:57 PM UTC

    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.

Read the full incident report →

Major February 25, 2025

Cohesity Cloud Services protection latencies

Detected by Pingoru
Feb 25, 2025, 06:50 AM UTC
Resolved
Feb 25, 2025, 06:51 PM UTC
Duration
12h
Affected: Data Protect delivered as a Service
Timeline · 5 updates
  1. investigating Feb 25, 2025, 06:50 AM UTC

    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.

  2. investigating Feb 25, 2025, 08:14 AM UTC

    We want to let our customers know that we are continuing to investigate the issue. We will keep you updated on the progress.

  3. identified Feb 25, 2025, 09:11 AM UTC

    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.

  4. monitoring Feb 25, 2025, 10:37 AM UTC

    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.

  5. resolved Feb 25, 2025, 06:51 PM UTC

    We want to inform our customers that the deployed fix works as expected. We apologize for any inconvenience.

Read the full incident report →

Minor January 2, 2025

Intermittent delays in job updates of Activity page on Helios

Detected by Pingoru
Jan 02, 2025, 12:24 PM UTC
Resolved
Jan 02, 2025, 06:20 PM UTC
Duration
5h 56m
Affected: Cohesity Cloud Services Portal
Timeline · 2 updates
  1. investigating Jan 02, 2025, 12:24 PM UTC

    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.

  2. resolved Jan 02, 2025, 06:20 PM UTC

    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.

Read the full incident report →

Major December 2, 2024

Cohesity Cloud Services access

Detected by Pingoru
Dec 02, 2024, 10:25 PM UTC
Resolved
Dec 02, 2024, 10:44 PM UTC
Duration
19m
Affected: Cohesity Cloud Services PortalData Protect delivered as a ServiceCohesity FortKnoxCohesity DataHawkCohesity App Store
Timeline · 3 updates
  1. investigating Dec 02, 2024, 10:25 PM UTC

    We want to let our customers know that we are observing connectivity issues to CCS landing page and APIs as part of the scheduled rollout. We are aggressively looking into this issue and will post updates on the progress. We apologize for any inconvenience.

  2. monitoring Dec 02, 2024, 10:34 PM UTC

    We have identified the issue and have pushed the relevant fixes to address the issues.

  3. resolved Dec 02, 2024, 10:44 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice November 30, 2024

Cohesity Cloud Services - US-East 2 - Infrastructure issues

Detected by Pingoru
Nov 30, 2024, 06:32 PM UTC
Resolved
Dec 02, 2024, 01:38 AM UTC
Duration
1d 7h
Affected: Data Protect delivered as a Service
Timeline · 8 updates
  1. investigating Nov 30, 2024, 02:38 PM UTC

    We want to let our customers know that we are experiencing infrastructure issues in US East 2 region due to which indexing might get delayed. We are still assessing the current situation to understand the impact and working to address the issue. We apologize for any inconvenience.

  2. investigating Nov 30, 2024, 04:08 PM UTC

    We are continuing to investigate the issue and have engaged our cloud vendor to understand the root cause and identify the mitigation steps. We will continue to provide status update. We apologize for any inconvenience.

  3. investigating Nov 30, 2024, 05:34 PM UTC

    We are continuing to investigate the issue. Our indexing services are impacted due to node stability issues that are holding the indexes. We are seeing some positive signs on the stabilization of the nodes, but we are continuing to work with our cloud vendors. We will continue to provide status update. We apologize for any inconvenience.

  4. investigating Nov 30, 2024, 06:32 PM UTC

    Updating the Data protect service status to operational

  5. investigating Nov 30, 2024, 06:32 PM UTC

    Updated the Data protect service status to operational

  6. monitoring Nov 30, 2024, 06:39 PM UTC

    We want to let our customers know that the issue is resolved. Our metrics are showing a positive trend on the indexing backlog and we are closely monitoring the situation. The root cause of the issue is due to a read/write latency on the underlying volume and we have worked with our cloud vendor to resolve the issue. We apologize for any inconvenience.

  7. monitoring Nov 30, 2024, 10:03 PM UTC

    The issue is resolved at this time. Our metrics are trending in the right direction. We will keep this incident open for the next 24 hours and will provide one more update before closing it.

  8. resolved Dec 02, 2024, 01:38 AM UTC

    This incident has been resolved.

Read the full incident report →

Minor October 18, 2024

Intermittent delays in loading Activity page on Helios

Detected by Pingoru
Oct 18, 2024, 02:28 PM UTC
Resolved
Oct 19, 2024, 03:08 AM UTC
Duration
12h 40m
Affected: Cohesity Cloud Services Portal
Timeline · 2 updates
  1. investigating Oct 18, 2024, 02:28 PM UTC

    Our users may experience intermittent delays in accessing the "Activity" page on Helios. The team has identified the issue and is testing a fix.

  2. resolved Oct 19, 2024, 03:08 AM UTC

    We want to let our customers know that on Oct 18th 2024 we identified slowness on our reporting infrastructure between 10 AM PST to 12 PM PST. As a result of this, the activity page showed stale data during these hours. We have addressed this issue and all the functions have been restored to a healthy state.

Read the full incident report →

Notice October 11, 2024

Login issues on Cohesity Gov Cloud Services

Detected by Pingoru
Oct 11, 2024, 05:59 AM UTC
Resolved
Oct 14, 2024, 02:15 PM UTC
Duration
3d 8h
Timeline · 4 updates
  1. investigating Oct 11, 2024, 05:59 AM UTC

    We are currently investigating the issue.

  2. identified Oct 14, 2024, 02:13 PM UTC

    The issue has been identified and a fix being implemented.

  3. monitoring Oct 14, 2024, 02:14 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Oct 14, 2024, 02:15 PM UTC

    This incident has been resolved

Read the full incident report →

Notice October 8, 2024

Cluster connectivity to the Cohesity Cloud services platform

Detected by Pingoru
Oct 08, 2024, 08:30 AM UTC
Resolved
Oct 08, 2024, 08:30 AM UTC
Duration
Timeline · 1 update
  1. resolved Oct 08, 2024, 01:21 PM UTC

    We want to let our customers know that we had an issue with the clusters connecting to the CCS platform for 40 minutes from 1:30 AM PDT. We have been closely monitoring and we can confirm the issue has been addressed. We apologize for any inconvenience.

Read the full incident report →

Minor September 20, 2024

Cohesity Cloud Services

Detected by Pingoru
Sep 20, 2024, 06:16 PM UTC
Resolved
Sep 20, 2024, 09:40 PM UTC
Duration
3h 24m
Affected: Cluster connectivity
Timeline · 4 updates
  1. investigating Sep 20, 2024, 06:16 PM UTC

    We want to let our customers know that we are seeing intermittent connectivity issues to the Cohesity Cloud Services platform. We are aggressively working to resolve the issue. We apologize for any inconvenience.

  2. identified Sep 20, 2024, 06:58 PM UTC

    The issue has been identified and a workaround has been deployed. We are closely monitoring our metrics.

  3. monitoring Sep 20, 2024, 09:27 PM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Sep 20, 2024, 09:40 PM UTC

    This incident has been resolved.

Read the full incident report →

Minor September 12, 2024

Cohesity Cloud services

Detected by Pingoru
Sep 12, 2024, 05:14 AM UTC
Resolved
Sep 12, 2024, 06:31 PM UTC
Duration
13h 16m
Affected: Data Protect delivered as a Service
Timeline · 4 updates
  1. investigating Sep 12, 2024, 05:14 AM UTC

    We want to let our customers know that our metrics are indicating a performance issue on the backup workflows. We are closely looking at the problem to identify the root cause and will continue to update on the progress. We really apologize for any inconvenience.

  2. identified Sep 12, 2024, 05:30 AM UTC

    We have identified the root cause and applying a workaround to address the issue. We are closely monitoring the metrics and will continue to provide updates on the progress.

  3. monitoring Sep 12, 2024, 07:33 AM UTC

    A fix has been implemented and we are monitoring the results.

  4. resolved Sep 12, 2024, 06:31 PM UTC

    This incident has been resolved.

Read the full incident report →

Notice August 20, 2024

Helios scheduled reports - Degradation

Detected by Pingoru
Aug 20, 2024, 02:08 PM UTC
Resolved
Aug 21, 2024, 05:02 AM UTC
Duration
14h 53m
Affected: Cohesity Cloud Services Portal
Timeline · 3 updates
  1. investigating Aug 20, 2024, 02:08 PM UTC

    Helios scheduled reports are currently lagging due to backend infrastructure.

  2. monitoring Aug 20, 2024, 02:10 PM UTC

    A fix has been implemented and we are monitoring the services closely.

  3. resolved Aug 21, 2024, 05:02 AM UTC

    This incident has been resolved

Read the full incident report →