Cornerstone OnDemand Outage History
Uptime record, past incidents, and downtime history for Cornerstone OnDemand.
Checking current status...
90-Day Trend
Monthly Uptime
| Month | Uptime | Days Tracked | Days with Issues |
|---|---|---|---|
| July 2026 | 55.6% | 9 | 4 |
| June 2026 | 43.3% | 30 | 17 |
| May 2026 | 80.6% | 31 | 6 |
| April 2026 | 90.5% | 21 | 2 |
Uptime is calculated from daily worst-status snapshots. A day with any non-operational status counts as a day with issues.
Daily Status (Last 91 Days)
Apr 10
Today
Operational
Degraded
Partial Outage
Major Outage
Maintenance
No Data
Incident History
July 2026
Mailspike Temporarily Blacklisted UK Email IP
Started: Jul 8, 2:17 PM
investigating
We are continuing to work closely with the vendor to obtain confirmation on the IP delisting request. We will provide the next update as soon as we receive any new information.
Jul 9, 3:53 PM
investigating
We are continuing to work closely with the vendor to obtain confirmation on the IP delisting request. We will provide the next update as soon as we receive any new information.
Jul 9, 9:06 AM
investigating
Cornerstone UK's email sending IPs have been temporarily blacklisted by Mailspike, a community-oriented IP reputation authority, due to a high number of email delivery failures originating from certain customer accounts.
During this time, emails may fail to deliver. This is our top priority, and we are working closely with the vendor to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jul 9, 6:58 AM
investigating
We are continuing to work closely with the vendor to obtain confirmation on the IP delisting request. We will provide the next update as soon as we receive any new information.
Jul 9, 5:19 AM
investigating
We remain actively engaged with the vendor and are awaiting confirmation on the delisting. We will continue sharing updates as they become available.
Jul 9, 2:23 AM
investigating
We remain actively engaged with the vendor and are awaiting confirmation on the delisting. We will continue sharing updates as they become available.
Jul 9, 12:22 AM
investigating
We remain actively engaged with the vendor and are awaiting confirmation on the delisting. We will continue sharing updates as they become available.
Jul 8, 10:21 PM
investigating
We remain in contact with Mailspike while awaiting confirmation of the delisting. Further updates will be provided in due course.
Jul 8, 7:19 PM
investigating
We’re actively engaging with Mailspike and awaiting their reply regarding our delisting request. Regular updates will be provided until the matter is completely resolved.
Jul 8, 4:16 PM
investigating
Cornerstone UK's email sending IPs have been temporarily blacklisted by Mailspike, a community-oriented IP reputation authority, due to a high number of email delivery failures originating from certain customer accounts.
During this time, emails may fail to deliver. This is our top priority, and we are working closely with the vendor to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jul 8, 2:17 PM
All Queued Events Stuck and Delayed
Started: Jul 7, 6:33 PM
monitoring
The backlog of queued events continues to decrease as events are processed. Our teams are closely monitoring activity to ensure recovery continues to progress as quickly as possible. We will continue to provide updates until the backlog has cleared.
Jul 7, 9:03 PM
identified
We are seeing the backlog of queued events begin to decrease. We are working on taking additional action to reduce the backlog more quickly and accelerate recovery. We will continue to provide updates as progress is made.
Jul 7, 8:20 PM
investigating
Customers across all swimlanes may experience delayed or stuck processing of queued events and background jobs (i.e., Content Uploader, Emails, Reporting, etc.). We are actively investigating this issue as a top priority, and will provide regular updates until it is fully resolved.
Jul 7, 6:33 PM
June 2026
Intermittent Service Disruption on UK SL production
Started: Jun 29, 8:49 AM
monitoring
A fix has been implemented and we are monitoring the results.
Jun 29, 11:26 AM
identified
We continue to work on the fix for this issue.
Jun 29, 11:05 AM
identified
Users report issue on Career Site as well. We keep on working on the problem.
Jun 29, 9:13 AM
identified
UK swimlanes are experiencing an intermittent service disruption. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jun 29, 8:49 AM
Minor Issue - Latency - UK Swimlanes
Started: Jun 17, 10:07 PM
monitoring
Our engineering teams have identified the cause and implemented a fix. We've validated that the issue is no longer present. We will monitor for 1 hour before marking this incident resolved.
Jun 17, 10:21 PM
investigating
The swimlane is experiencing some latency issues. Clients with portals across UK swimlanes may experience delays or issues accessing certain pages in the application. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jun 17, 10:07 PM
Minor Issue - Latency - US Swimlanes
Started: Jun 17, 9:46 PM
monitoring
Our engineering teams have identified the cause and implemented a fix. We've validated that the issue is no longer present. We will monitor for 1 hour before marking this incident resolved.
Jun 17, 10:21 PM
investigating
The swimlane is experiencing some latency issues. Clients with portals across US Swimlanes may experience delays or issues accessing certain pages in the application. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jun 17, 9:46 PM
Minor Issue - Functionality - Edge Imports service unavailable | US SL4
Started: Jun 12, 3:42 PM
investigating
The US Swimlane 4 is currently experiencing functional issues accessing Edge Import. Clients with portals in this swimlane may encounter delays or difficulties when performing certain tasks. Resolving this issue is our top priority, and we are working to restore normal service as quickly as possible.
Jun 12, 3:42 PM
The reporting 2.0 is returning zero results
Started: Jun 11, 1:55 PM
monitoring
We are continuing to monitor for any further issues.
Jun 11, 2:26 PM
monitoring
A fix has been implemented and we are monitoring the results.
Jun 11, 2:26 PM
identified
We are continuing to work on a fix for this issue.
Jun 11, 2:25 PM
identified
The issue has been identified, and a fix is currently being implemented.
Jun 11, 2:13 PM
investigating
We are currently investigating the issue.
Jun 11, 1:55 PM
Intermittent Errors and Timeouts Observed on US Swimlanes
Started: Jun 3, 9:55 PM
monitoring
As a result of our continued investigation with AWS, we have implemented a network update to further address the intermittent errors and timeouts. Initial results following the change are positive, and we are continuing to actively monitor the environment to confirm sustained stability. If any new occurrences are identified, we will investigate further and provide additional updates as appropriate. We appreciate your continued patience and understanding as we work toward full resolution.
Jun 8, 7:19 PM
monitoring
The intermittent timeouts and errors have subsided, and we are continuing to urgently investigate the root cause with AWS as a top priority.
Jun 8, 5:38 PM
investigating
We are actively investigating this issue with AWS as a top priority. While the investigation is ongoing, users may continue to experience intermittent errors and timeouts while navigating the application. We will continue to provide regular updates until the issue is fully resolved.
Jun 8, 3:31 PM
monitoring
We observed reports of increased latency and intermittent timeouts impacting only the US SL2 Production environment. Some Customers may have experienced slower page load times while navigating or working within LMS pages.
Our Engineering teams identified the issue and implemented a fix. Based on current observations, the impact appears to have subsided. The incident was observed between 5:38 AM PT and 5:44 AM PT. We will continue to closely monitor the environment to ensure ongoing stability...
Jun 8, 3:01 PM
monitoring
Following the deployment of the fix, we have continued to closely monitor the environment and have not observed any further issues at this time.
We will continue monitoring throughout the day to ensure system stability and will provide additional updates if there are any significant developments.
Jun 8, 4:39 AM
monitoring
A fix has been implemented and we are monitoring the results.
Jun 7, 6:04 AM
identified
We are targeting a fix during Saturday's regular maintanence window. Following the maintenance, we will closely monitor the results for a period of time to ensure stability.
Jun 5, 7:33 PM
investigating
We are actively investigating this issue with AWS as a top priority. While the investigation is ongoing, users may continue to experience intermittent errors and timeouts while navigating the application. We will continue to provide regular updates until the issue is fully resolved.
Jun 5, 1:07 PM
investigating
We are actively investigating this issue with AWS as a top priority. While the investigation is ongoing, users may continue to experience intermittent errors and timeouts while navigating the application. We will continue to provide regular updates until the issue is fully resolved.
Jun 5, 9:56 AM
investigating
We are actively investigating this issue with AWS as a top priority. While the investigation is ongoing, users may continue to experience intermittent errors and timeouts while navigating the application. We will continue to provide regular updates until the issue is fully resolved.
Jun 5, 5:31 AM
investigating
We continue to work closely with AWS to determine the root cause and resolve. This is a top priority for our teams and we will continue to share updates until full resolution has been determined.
Jun 5, 3:29 AM
investigating
We continue to work closely with AWS to determine the root cause and resolve. This is a top priority for our teams and we will continue to share updates until full resolution has been determined.
Jun 5, 1:30 AM
investigating
We continue to work closely with AWS to determine the root cause and resolve. This is a top priority for our teams and we will continue to share updates until full resolution has been determined.
Jun 4, 11:31 PM
investigating
We continue to work closely with AWS to determine the root cause and resolve. This is a top priority for our teams and we will continue to share updates until full resolution has been determined.
Jun 4, 9:33 PM
investigating
We are actively investigating this issue with AWS as a top priority. While the investigation is ongoing, users may continue to experience intermittent errors and timeouts while navigating the application. We will continue to provide regular updates until the issue is fully resolved.
Jun 4, 7:14 PM
investigating
We are continuing to investigate this issue. Until a fix is implemented, users may continue to experience intermittent errors and timeout issues while navigating the application.
Jun 4, 5:14 PM
investigating
Our Engineering team continues to investigate the root cause of the issue and is actively reviewing diagnostic data from affected environments. While the investigation remains ongoing and no additional findings are available at this time, users may continue to experience intermittent errors and timeout issues while navigating the application. We will provide another update as soon as new information becomes available.
Jun 4, 2:54 PM
investigating
Our Engineering team is actively investigating the root cause of the issue. Until a fix is implemented, users may continue to experience intermittent errors and timeout issues while navigating the application.
Jun 4, 11:56 AM
investigating
Our Engineering team is actively investigating the root cause of the issue. Until a fix is implemented, users may continue to experience intermittent errors and timeout issues while navigating the application.
Jun 4, 8:36 AM
investigating
Our Engineering team is actively investigating the root cause of the issue. Until a fix is implemented, users may continue to experience intermittent errors and timeout issues while navigating the application.
We will keep you informed of our progress and provide updates as soon as additional information becomes available.
Jun 4, 4:57 AM
investigating
Our Engineering teams continue to investigate the root issue. Users may experience intermittent errors and timeouts while navigating the application until a fix has been implemented. We will continue to share updates as we progress with our review.
Jun 4, 2:55 AM
investigating
Our Engineering teams continue to investigate the root issue. Users may experience intermittent errors and timeouts while navigating the application until a fix has been implemented. We will continue to share updates as we progress with our review.
Jun 4, 12:57 AM
investigating
Our Engineering teams continue to investigate the root issue. Users may experience intermittent errors and timeouts while navigating the application until a fix has been implemented. We will continue to share updates as we progress with our review.
Jun 3, 9:55 PM
investigating
We are continuing to investigate this issue as a top priority. Our teams remain actively engaged and will provide additional updates as more information becomes available.
Jun 3, 6:38 PM
investigating
Some customers on US swimlanes may experience intermittent errors and timeouts while navigating the application. We are actively investigating as a top priority. We will share updates as we make progress.
Jun 3, 4:44 PM
Minor Issue - Functionality - 504 errors when accessing Edge Import - US SL4
Started: Jun 2, 5:17 PM
monitoring
We are continuing to monitor for any further issues.
Jun 3, 3:07 PM
monitoring
A fix has been implemented and we are monitoring the results.
Jun 2, 7:23 PM
investigating
This swimlane is experiencing some functional issues accessing Edge Import. Clients with portals in this swimlane may experience delays or issues executing some tasks. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jun 2, 5:17 PM
RESURFACED: Intermittent Timeouts Observed on US Production Environment
Started: Jun 2, 2:35 PM
identified
We are planning Emergency Maintenance today at 9:00 PM PT to address this issue. During the maintenance window, the system may be unavailable for up to one hour. Intermittent timeouts may continue until the maintenance is completed. The maintenance is being scheduled outside of peak business hours to reduce overall customer impact. We will continue to provide additional updates as more information becomes available.
Jun 2, 5:51 PM
investigating
CSOD Engineering teams have detected spikes in intermittent timeouts on the backend, indicating that the issue reported yesterday (01 June 2026) has resurfaced. As a result, some customers on the US swimlanes (SL1, SL2, SL3, and SL5) may witness intermittent timeouts while accessing or navigating the application.
Our Engineering teams are actively investigating the issue and working to restore stability. We will provide another update as soon as additional information becomes available.
Jun 2, 2:35 PM
Minor Issue - Functionality - 504 errors when accessing Edge Import - US SL4
Started: Jun 1, 9:10 PM
monitoring
Cornerstone Engineers have identified the issue and applied a fix. We've validated that the issue is no longer replicable. We will monitor for at least 1 hour before marking resolved.
Jun 1, 9:37 PM
investigating
This swimlane is experiencing some functional issues accessing Edge Import. Clients with portals in this swimlane may experience delays or issues executing some tasks. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Jun 1, 9:10 PM
Intermittent timeouts observed on US Production Environment
Started: Jun 1, 3:09 PM
monitoring
Our engineering teams have confirmed that the issue has been fixed. We are currently monitoring for at least 1 hour before marking the issue resolved.
Jun 1, 8:53 PM
investigating
We are actively investigating this issue and will share an update as soon as possible.
Jun 1, 7:37 PM
investigating
The issue has resurfaced, and customers may again experience intermittent timeouts while accessing or navigating the application. Our Engineering Teams are actively looking into it. Thank you for your patience and understanding.
Jun 1, 4:15 PM
monitoring
The CSOD Technology Team has confirmed that the issue has been resolved. We are actively monitoring application stability and performance and will keep you informed of any significant updates.
Jun 1, 3:09 PM
investigating
Some customers on the US swimlanes (SL1, SL2,SL3,SL5) may experience intermittent timeouts while accessing or navigating the application. We are actively investigating the issue and will share another update as soon as more information becomes available.
Jun 1, 2:52 PM
May 2026
Service Disruption: US SL4 – Login & 404 Error Issues
Started: May 21, 4:05 PM
monitoring
A fix has been implemented and we are monitoring the results.
May 21, 4:42 PM
identified
The issue has been identified and a fix is being implemented.
May 21, 4:30 PM
investigating
US SL4 is currently experiencing a service disruption. Some users are unable to log in or are encountering 404 errors when accessing the application. This issue is our highest priority, and our team is actively working to resolve it as quickly as possible. We will provide further updates as soon they become available. Please check back periodically for the latest information.
May 21, 4:05 PM
Users Unable to Access Career Site (US Swimlanes)
Started: May 5, 4:11 PM
monitoring
Our Engineering team has deployed a fix to address this concern. We will continue to closely monitor the situation to ensure stability.
Further updates will be shared through the Known Issue article and Status page. Thank you for your understanding and patience.
May 5, 4:57 PM
identified
Cornerstone career site is currently unavailable. Users attempting to access the career page are unable to load the site and are encountering an error message stating: “An error occurred while processing your request.”
Our engineering team has identified the issue and is actively working to restore full service. We will keep you posted on significant updates to this concern.
May 5, 4:11 PM
Users Unable to Access Career Site (US Swimlanes)
Started: May 4, 2:10 PM
monitoring
Our Engineering team has deployed a fix to address this concern. We will continue to closely monitor the situation to ensure stability.
Further updates will be shared through the Known Issue article and Statuspage. Thank you for your understanding and patience.
May 4, 3:03 PM
identified
Cornerstone career site is currently unavailable. Users attempting to access the career page are unable to load the site and are encountering an error message stating: “An error occurred while processing your request.”
Our engineering team has identified the issue and is actively working to restore full service. We will keep you posted on significant updates to this concern.
May 4, 2:10 PM
April 2026
Resurfaced: Unable to access reports in Reporting 2.0 (US Swimlanes Production Environment)
Started: Apr 30, 2:00 PM
investigating
The Reporting 2.0 issue impacting the US swimlanes has recurred today. Clients within these swimlanes may experience functional disruptions, including difficulties accessing reports and delays while performing certain actions within the portal.
As a reminder, this issue was initially reported on 13 April 2026 and is being tracked under the following incident: https://status.csod.com/incidents/m2s13ms05fdp. The Engineering Team has confirmed that the same issue has resurfaced and is actively ...
Apr 30, 2:00 PM
Resurfaced: Unable to access reports in Reporting 2.0 (US Swimlanes Production Environment)
Started: Apr 14, 1:57 PM
monitoring
No issues were observed with Reporting 2.0 today. We will continue to closely monitor the system throughout the week to ensure ongoing stability.
Any further updates will be communicated via the Known Issue article and Statuspage. We appreciate your patience and understanding.
Apr 21, 8:57 PM
monitoring
A fix has been implemented and we are monitoring the results.
Apr 17, 4:31 PM
investigating
We are continuing to investigate this issue. We will keep you posted on any significant updates. We apologize for the inconvenience caused.
Apr 17, 3:58 PM
investigating
Engineering Team has confirmed the recurrence of the issue today as well. We will keep you posted on any significant updates regarding this concern. Sincerely apologize for the inconvenience caused.
Apr 17, 1:03 PM
monitoring
A fix has been implemented and we are monitoring the results.
Apr 16, 2:51 PM
investigating
Our Engineering team has proactively identified that the issue has resurfaced through backend monitoring systems and is currently investigating it with priority.
Further updates will be shared through the Known Issue article and Statuspage. Thank you for your patience and understanding.
Apr 16, 1:05 PM
monitoring
Our Engineering teams have identified the issue and implemented a fix to resolve it. We will continue to closely monitor the system to ensure stability.
Any further updates will be communicated via the Known Issue article and Statuspage. We appreciate your understanding and patience.
Apr 14, 2:40 PM
investigating
US swimlanes are currently experiencing functional issues, including difficulties accessing reports. Clients with portals in this swimlane may encounter delays or disruptions while performing certain tasks. This issue was first reported yesterday (https://status.csod.com/incidents/m2s13ms05fdp) and has resurfaced, with reports not functioning as intended.
This remains our top priority, and our teams are actively working toward a resolution. We appreciate your patience and recommend checking ...
Apr 14, 1:57 PM
Unable to access reports in Reporting 2.0 (US Swimlanes Production Environment)
Started: Apr 13, 2:34 PM
monitoring
Our Engineering teams have identified the issue and deployed a fix to address it. We will continue to closely monitor the situation to ensure stability.
Further updates will be shared through the Known Issue article and Statuspage. Thank you for your understanding and patience.
Apr 13, 2:43 PM
investigating
US swimlanes are currently experiencing functional issues, including difficulties accessing reports. Clients with portals in this swimlane may encounter delays or disruptions while performing certain tasks.
This issue is our top priority, and our teams are actively working toward a resolution. We appreciate your patience and recommend checking back periodically for updates as they become available.
Apr 13, 2:34 PM
March 2026
Intermittent Errors on Manage Candidates Page - US Swimlanes
Started: Mar 30, 7:38 PM
monitoring
Our engineering teams have implemented a fix and we have recovered. We will monitor for at least an hour before marking this incident resolved.
Mar 30, 8:28 PM
investigating
Some customers on US swimlanes (US SL1, US SL2, US SL3, US SL5) may be experiencing intermittent errors on the Manage Candidates page. Our team is actively investigating this as a top priority and will provide updates as more information becomes available.
Mar 30, 7:38 PM
Emergency Maintenance - Edge Import & Bulk API - US Swimlanes
Started: Mar 26, 6:04 PM
identified
We are starting the emergency maintenance. During this period, you may encounter a 503 error while trying to access Edge Import. We will continue to provide updates as progress is made.
Mar 26, 7:31 PM
identified
We are aware of an issue causing some Edge Import loads and feeds to fail during processing on US swimlanes. To address this, we will be initiating an emergency maintenance shortly.
We are allowing all currently processing jobs to complete before maintenance begins. In the meantime, new Edge Import and Bulk API jobs are being temporarily prevented from entering the queue.
Once maintenance is complete, new jobs and any impacted scheduled jobs will resume processing.
We will continue to prov...
Mar 26, 6:04 PM
Minor Issue - Latency for all Galaxy Clients across UK and EU Region
Started: Mar 16, 9:07 AM
identified
The issue has been identified and a fix is being implemented.
Mar 16, 9:42 AM
investigating
The Galaxy clients across UK and EU Region Swimlanes are experiencing some latency issues. Clients with portals in this swimlane may experience delays or 504 gateway timeouts errors while accessing certain pages in the application. This is our top priority and we are working to resolve the problem as soon as possible. Please check back periodically for additional updates, which will be posted as they become available.
Mar 16, 9:07 AM