Episerver Outage History
Episerver is up right nowPingoru has recorded 95 incidents for Episerver: 85 in the last 12 months and 23 in the last 90 days.
Show as a table
| Month | Incidents | Hours with an open incident |
|---|---|---|
| April 2026 | 2 | 3 of 720 (0%) |
| May 2026 | 4 | 18 of 744 (2%) |
| June 2026 | 12 | 196 of 720 (27%) |
| July 2026 | 8 | 16 of 744 (2%) |
| August 2026 | 7 | 37 of 744 (5%) |
| September 2026 | 8 | 41 of 720 (6%) |
| October 2026 | 6 | 20 of 538 (4%) |
Incidents, newest first
Minor October 22, 2026 Optimizely Campaign: Campaign user interface 3h 19m Campaign user interface
Started Oct 22, 2026, 11:17 AM UTC· resolved Oct 22, 2026, 02:37 PM UTC
- investigating Oct 22, 2026, 11:17 AM UTC
We are currently investigating an event that is impacting performance of the graphical user interface.
- identified Oct 22, 2026, 11:18 AM UTC
The issue has been identified and a fix is being implemented.
- monitoring Oct 22, 2026, 12:06 PM UTC
After a new login the problem is solved.
- resolved Oct 22, 2026, 02:37 PM UTC
This incident has been resolved.
Minor October 21, 2026 ODP EU Region - Impact due to Snowflake incident 12h 29m ODP Application, Data Ingestion and Processing, Core App Experiences
Started Oct 21, 2026, 07:07 PM UTC· resolved Oct 22, 2026, 07:36 AM UTC
- identified Oct 21, 2026, 07:07 PM UTC
ODP Reports, campaigns and exports are impacted due to a Snowflake EU incident. Real-time segments are unaffected.
- monitoring Oct 21, 2026, 10:25 PM UTC
Snowflake services in the EU are returning to normal operation. The data processing lag in ODP has cleared. We are monitoring the situation.
- resolved Oct 22, 2026, 07:36 AM UTC
The Snowflake issue affecting the EU region has been resolved. Data processing has caught up, and reports, exports, segments, and campaigns are working normally. Recurring campaigns paused during the incident have resumed, and they have completed their missed runs.
Minor October 15, 2026 Degraded Snippet Publishing Performance 3h 4m Snippet Building
Started Oct 15, 2026, 10:35 AM UTC· resolved Oct 15, 2026, 01:39 PM UTC
- investigating Oct 15, 2026, 10:35 AM UTC
We are investigating an issue causing delays when publishing experiments and other changes. Customers may see deployments remain in an "Uploading to CDN" state longer than expected before becoming available. Existing experiences continue to serve normally. Our engineering team is actively investigating the cause and working to restore normal publishing times.
- identified Oct 15, 2026, 12:00 PM UTC
We have identified the cause of the delayed publishing issue. A surge in snippet upload activity created a backlog in our processing queue, which resulted in extended "Uploading to CDN" times for some customers. Mitigation actions have been taken to stop the source of the backlog, and our engineering team is actively working to restore normal processing times. Existing experiences continue to operate normally. We are closely monitoring recovery and will provide further updates as progress continues.
- resolved Oct 15, 2026, 01:39 PM UTC
We have resolved the issue that caused delayed publishing and extended "Uploading to CDN" times for some customers. Publishing requests are now processing normally. The issue was caused by a temporary backlog in snippet upload processing, which has been cleared. We apologize for the disruption and appreciate your patience while we worked to restore service. Existing experiences remained available throughout this issue.
Major October 13, 2026 Elevated GraphQL API errors and delayed data ingestion in ODP – US region 1h 5m
Started Oct 13, 2026, 03:05 PM UTC· resolved Oct 13, 2026, 04:10 PM UTC
- resolved Oct 13, 2026, 06:10 PM UTC
Between 15:05 and 16:10 UTC on October 13, 2026, Data Platform customers in the US region experienced delayed data ingestion and elevated error rates on the GraphQL API. From about 15:20 to 16:07 UTC, most GraphQL API requests failed with HTTP 5xx errors or timeouts. Ingestion of new data was delayed by up to about 65 minutes. All delayed data accepted during the incident was processed by 16:10 UTC. Our engineers applied infrastructure changes that resolved the issue in the US region. The same changes have been applied to our other regions to prevent a similar issue there. We apologize for the disruption.
Minor October 9, 2026 Content Graph Performance Degradation 16m Optimizely Graph - APAC Region, Optimizely Graph - EMEA Region, Optimizely Graph - NA Region, Optimizely Graph - UAEN Region
Started Oct 09, 2026, 01:24 PM UTC· resolved Oct 09, 2026, 01:41 PM UTC
- investigating Oct 09, 2026, 01:24 PM UTC
We have identified an issue affecting Content Graph. When content is published, cache eviction and webhook processing are not completing as expected. As a result, queries to Graph may return outdated content. Our team is actively investigating and we will provide an update as soon as we have more information.
- resolved Oct 09, 2026, 01:41 PM UTC
The cache eviction and webhook delivery issues impacting Content Graph have been resolved. Stale content is no longer being served, and publishing workflows have returned to normal operation.
Minor October 6, 2026 Data processing delays in EMEA –
Started Oct 06, 2026, 05:00 PM UTC· resolved Oct 06, 2026, 05:00 PM UTC
- resolved Oct 06, 2026, 10:21 PM UTC
We're seeing delays in processing incoming data in the EU region. Campaigns that depend on recent data may be delayed or may not send. A fix is in place and data processing is back to normal. We're watching to make sure it stays stable.
Notice September 30, 2026 Optimizely Graph - All region's production clusters experienced failed stored queries 4h 9m Optimizely Graph - APAC Region, Optimizely Graph - EMEA Region, Optimizely Graph - NA Region, Optimizely Graph - UAEN Region
Started Sep 30, 2026, 01:57 PM UTC· resolved Sep 30, 2026, 06:07 PM UTC
- monitoring Sep 30, 2026, 01:57 PM UTC
We have identified the root cause and applied a mitigation. The service has returned to normal operation and we are actively monitoring to confirm stability.
- resolved Sep 30, 2026, 06:07 PM UTC
This incident has been resolved as the service has remained healthy and stable since the mitigation was applied.
Minor September 23, 2026 Optimizely Graph - USEA production clusters experiencing intermittent availability issues 2h 52m Optimizely Graph - NA Region
Started Sep 23, 2026, 02:21 PM UTC· resolved Sep 23, 2026, 05:13 PM UTC
- investigating Sep 23, 2026, 02:21 PM UTC
We are experiencing intermittent availability issue for the Optimizely Graph service impacting one of the USEA production clusters. Our team is working on mitigating actions.
- monitoring Sep 23, 2026, 02:46 PM UTC
We have identified the root cause and applied a mitigation. The service has returned to normal operation and we are actively monitoring to confirm stability.
- resolved Sep 23, 2026, 05:13 PM UTC
The service has remained stable. The issue is now considered resolved.
Major September 20, 2026 CMP: Data Not Loading in Plan, Resources, Library, and Other Modules (GCP Stack) 1h 43m Library, Plan, Requests, Analytics
Started Sep 20, 2026, 11:24 AM UTC· resolved Sep 20, 2026, 01:08 PM UTC
- investigating Sep 20, 2026, 11:24 AM UTC
We are currently investigating an issue affecting the Optimizely Content Marketing Platform (CMP), where data is failing to load across multiple modules — including Plan, Resources, and Library — for a subset of customers on the GCP stack. Our Engineering team has been engaged and is actively investigating the root cause. We understand the impact this has on your workflows and appreciate your patience while we work toward a resolution. We will provide a follow-up update as soon as new information becomes available.
- identified Sep 20, 2026, 11:29 AM UTC
The issue has been identified and a fix is being implemented
- monitoring Sep 20, 2026, 11:51 AM UTC
A fix has been implemented and we're now monitoring the results.
- resolved Sep 20, 2026, 01:08 PM UTC
This incident has been resolved.
Minor September 17, 2026 Optimizely Identity is redirecting users to the wrong SSO login page. 3m Optimizely Identity
Started Sep 17, 2026, 10:23 PM UTC· resolved Sep 17, 2026, 10:26 PM UTC
- investigating Sep 17, 2026, 10:23 PM UTC
We are currently investigating this issue.
- identified Sep 17, 2026, 10:24 PM UTC
The issue has been identified, and a fix is being implemented.
- monitoring Sep 17, 2026, 10:26 PM UTC
A fix has been implemented, and we are monitoring the results.
- resolved Sep 17, 2026, 10:26 PM UTC
This incident has been resolved.
Minor September 16, 2026 Delay of E-Mails Submitted via SMTP API 23m Campaign E-Mail Submission via SMTP
Started Sep 16, 2026, 08:33 AM UTC· resolved Sep 16, 2026, 08:56 AM UTC
- identified Sep 16, 2026, 08:33 AM UTC
Starting around 10:00 CEST processing of emails submitted via our SMTP API is delayed. We already identified the underlying problem and are in the process of fixing the issue.
- resolved Sep 16, 2026, 08:56 AM UTC
The issue has been fixed and all delayed emails have been processed.
Minor September 8, 2026 CMP Analytics Data Not Displaying 21h 37m Analytics
Started Sep 08, 2026, 07:34 AM UTC· resolved Sep 09, 2026, 05:12 AM UTC
- identified Sep 08, 2026, 07:34 AM UTC
Customers using the CMP Analytics module may notice that analytics data for the past 4+ days is not visible in their dashboards. This is a display issue only — all data has been safely recorded and will be backfilled once the fix is deployed.
- monitoring Sep 08, 2026, 06:40 PM UTC
Analytics data should be visible in the CMP Analytics module. We are in an active monitoring phase to confirm full data restoration across all affected AWS stack customers. A final resolution update will be posted once monitoring is complete. If you are still not seeing analytics data, please contact our support team.
- resolved Sep 09, 2026, 05:12 AM UTC
The issue has been resolved.
Major September 2, 2026 SSL trust issue causing login failures across multiple DXP environments 7h 18m Australia East, East US
Started Sep 02, 2026, 08:05 AM UTC· resolved Sep 02, 2026, 03:23 PM UTC
- investigating Sep 02, 2026, 08:05 AM UTC
We are currently investigating an SSL trust issue causing login failures across multiple DXP environments and working on mitigating actions. We will provide new updates.
- identified Sep 02, 2026, 08:51 AM UTC
We continue investigating login failures affecting some DXP environments. Affected applications may receive a certificate trust error when connecting to our login service. The issue appears to affect applications running on older OS images and .NET versions earlier than .NET 8. Applications on .NET 8 or later seems not impacted based on the reports. Restarting the web application does not resolve the issue. Our engineering teams are working on a service-side resolution. Impacted regions are still being confirmed. We will continue to provide further updates.
- identified Sep 02, 2026, 10:26 AM UTC
We continue to actively work on measures to restore normal operations as quickly as possible. Our investigation has identified a probable root cause, and our team is currently working to resolve it. We are closely monitoring the situation and will continue to provide updates as we make progress. Thank you for your patience and understanding.
- identified Sep 02, 2026, 11:35 AM UTC
We are continuing to work on fix for this issue. We will let you know as soon we have new updates. Thank you for your patience!
- monitoring Sep 02, 2026, 12:15 PM UTC
A fix has been implemented and we are monitoring the results. Thank for your patience!
- resolved Sep 02, 2026, 03:23 PM UTC
The issue has been resolved and the service is now operating normally. Thank you for your patience!
Critical September 2, 2026 CMP and DAM are inaccessible 2h 48m Library, Plan, Requests, Open API and 1 more
Started Sep 02, 2026, 05:00 AM UTC· resolved Sep 02, 2026, 07:49 AM UTC
- investigating Sep 02, 2026, 05:00 AM UTC
The CMP and DAM products are currently experiencing a critical service disruption affecting all users. Our Engineering teams have been engaged and are actively working to restore service with the highest priority. We understand the severity of this impact and sincerely apologize for the disruption to your operations. A further update will be provided as soon as there is a meaningful development to share.
- identified Sep 02, 2026, 05:20 AM UTC
Our Engineering teams have identified the root cause of the disruption affecting CMP and DAM. A fix is being actively implemented, and restoring full service remains our highest priority. We will provide a further update as soon as service has been restored. We apologize for the continued impact.
- monitoring Sep 02, 2026, 06:44 AM UTC
A fix has been implemented and we're currently monitoring the results. Both products should now be accessible.
- resolved Sep 02, 2026, 07:49 AM UTC
CMP and DAM are fully operational. Our Engineering teams have confirmed sustained stability following remediation, and this incident is now closed. We apologize for the disruption and thank you for your patience.
Minor August 25, 2026 Service degradation due to network connectivity issue in Southeast Asia 2h 21m Singapore, Australia East, Australia East
Started Aug 25, 2026, 05:15 AM UTC· resolved Aug 25, 2026, 07:37 AM UTC
- investigating Aug 25, 2026, 05:15 AM UTC
A subset of Optimizely customers may experience connectivity issues or service degradation in the Southeast Asia region due to a network connectivity issue reported by our third-party provider. We will provide additional updates as soon as they become available. Thank you for your patience!
- monitoring Aug 25, 2026, 06:58 AM UTC
The third‑party provider has mitigated the issue. We are monitoring the results.
- resolved Aug 25, 2026, 07:37 AM UTC
This incident has been resolved.
Minor August 24, 2026 CMP: Assets are missing from DAM post upload 4h 8m Library
Started Aug 24, 2026, 06:53 AM UTC· resolved Aug 24, 2026, 11:01 AM UTC
- investigating Aug 24, 2026, 06:53 AM UTC
We are investigating reports of assets not appearing in the DAM following a successful upload in CMP. Our Engineering team is actively working to determine the cause and scope of impact. Uploaded assets are not believed to be lost — we will confirm this as the investigation progresses. We're trying our utmost to share another update as soon as possible.
- monitoring Aug 24, 2026, 08:20 AM UTC
A fix has been implemented and we're currently monitoring the results.
- resolved Aug 24, 2026, 11:01 AM UTC
The incident has been resolved.
Minor August 14, 2026 DXP - Multiple environments returning error 503 - Affecting only Non-production environments 6h
Started Aug 14, 2026, 02:38 AM UTC· resolved Aug 14, 2026, 08:39 AM UTC
- investigating Aug 14, 2026, 02:38 AM UTC
We're investigating DXP multiple environments returning error 503 - affecting only non-production environments.
- identified Aug 14, 2026, 03:06 AM UTC
Our Engineering team has identified the root cause and is actively working on a resolution.
- identified Aug 14, 2026, 05:15 AM UTC
We are implementing the fix and have confirmed the impact affects a limited subset of clients.
- resolved Aug 14, 2026, 08:39 AM UTC
This incident has been resolved.
Minor August 12, 2026 CMP: PDF File Preview Generation Unavailable 5h 25m Library, Plan, Requests
Started Aug 12, 2026, 10:38 AM UTC· resolved Aug 12, 2026, 04:03 PM UTC
- identified Aug 12, 2026, 10:38 AM UTC
We have identified a platform-wide issue affecting PDF file preview generation within the Content Marketing Platform (CMP). Users attempting to preview PDF assets in the Library may encounter an error and be unable to view document previews. Our Engineering team has identified the root cause and is actively working on a resolution. Your files are safe and no data loss has occurred. We will continue to provide updates as we make progress toward a fix. Thank you for your patience.
- monitoring Aug 12, 2026, 01:13 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Aug 12, 2026, 04:03 PM UTC
This incident has been resolved.
Minor August 6, 2026 Performance degration for image delivering, tracking and online version 1h 24m Tracking, Online versions of mailings, Hosting of images and files
Started Aug 06, 2026, 03:04 PM UTC· resolved Aug 06, 2026, 04:28 PM UTC
- investigating Aug 06, 2026, 03:04 PM UTC
We are currently investigating an issue with degraded performance for image delivery, processing of tracking requests and delivery of online version.
- identified Aug 06, 2026, 03:09 PM UTC
We have put a mitigation at place, so the mentioned services should be fully available again. The problem started around 16:38 CEST. Mitigation was activated at 17:00 CEST. We are continuing to our investigation.
- monitoring Aug 06, 2026, 03:51 PM UTC
The performance problems didn't show up again. The mitigation is no longer needed and will be removed. We are still monitoring.
- resolved Aug 06, 2026, 04:28 PM UTC
Systems are running stable with the mitigation removed. The incident has been resolved.
Minor August 4, 2026 Campaign: Degraded performance for sending emails 4h 20m E-mail dispatch
Started Aug 04, 2026, 01:11 PM UTC· resolved Aug 04, 2026, 05:32 PM UTC
- investigating Aug 04, 2026, 01:11 PM UTC
We are currently investigating an issue with degraded performance for email dispatch.
- investigating Aug 04, 2026, 01:27 PM UTC
The problem has been identified and a partial workaround has been applied. We are still working on a full solution.
- monitoring Aug 04, 2026, 04:08 PM UTC
The problem has been resolved. Unfortunately the Online Versions were impacted between 17:30 and 18:00 CEST as well. We are now monitoring the system.
- resolved Aug 04, 2026, 05:32 PM UTC
No further problems have been observed.
Major August 3, 2026 Netspring outage 13h 33m Optimizely Analytics (Netspring)
Started Aug 03, 2026, 02:30 AM UTC· resolved Aug 03, 2026, 04:04 PM UTC
- investigating Aug 03, 2026, 02:30 AM UTC
We are currently investigating an issue affecting our Netspring service (Netspring customers only). We will continue to provide timely updates as they become available.
- investigating Aug 03, 2026, 01:46 PM UTC
We are continuing to investigate the issue. Thank you for your patience!
- identified Aug 03, 2026, 02:11 PM UTC
We have identified the underlying cause of the issue affecting the Netspring service and are actively working toward resolution. We will continue to provide timely updates on our progress as they become available.
- resolved Aug 03, 2026, 04:04 PM UTC
The issue affecting the Netspring service has been resolved, and service has been restored to normal operation.
Major July 31, 2026 CMP: Modules are not loading in the platform 2h 17m Library, Plan, Requests
Started Jul 31, 2026, 05:53 PM UTC· resolved Jul 31, 2026, 08:10 PM UTC
- investigating Jul 31, 2026, 05:53 PM UTC
We're aware that the Home Page, Plan module, and Requests module in CMP are currently not loading for some customers. Our team is actively investigating the root cause. We'll post an update here as soon as we know more — thanks for bearing with us.
- identified Jul 31, 2026, 06:39 PM UTC
The issue has been identified and a fix is being implemented.
- monitoring Jul 31, 2026, 07:31 PM UTC
A fix has been implemented and we are monitoring the results.
- resolved Jul 31, 2026, 08:10 PM UTC
This incident has been resolved.
Notice July 29, 2026 ODP and OCP Availability 1h 10m ODP Application, Campaigns, Portal UI
Started Jul 29, 2026, 07:35 PM UTC· resolved Jul 29, 2026, 08:46 PM UTC
- investigating Jul 29, 2026, 07:35 PM UTC
Optimizely ODP App, ODP Campaigns, and OCP Portal UI are currently unavailable in the US region. We are investigating and will provide an update shortly.
- resolved Jul 29, 2026, 08:46 PM UTC
The issue has been resolved.
Major July 23, 2026 Login results in 429 error 3h 15m Optimizely Identity
Started Jul 23, 2026, 03:26 PM UTC· resolved Jul 23, 2026, 06:41 PM UTC
- investigating Jul 23, 2026, 03:26 PM UTC
We're aware of an issue affecting access to some products, caused by a disruption with our identity provider (Okta). We're engaged with Okta support and working to restore service. Updates to follow as soon as possible.
- identified Jul 23, 2026, 05:51 PM UTC
We have identified an issue stemming from a disruption with our identity provider. We are seeing some improvement as we work to mitigate the problem and we continue to work with them on a full resolution.
- resolved Jul 23, 2026, 06:41 PM UTC
The disruption with our identify provider has been resolved. Thank you for your patience with this issue.
Minor July 23, 2026 Digital Experience Platform (DXP) West US 5h 23m West US
Started Jul 23, 2026, 03:10 PM UTC· resolved Jul 23, 2026, 08:34 PM UTC
- investigating Jul 23, 2026, 03:10 PM UTC
We are currently investigating an issue reported for customer located in the West US Azure DC. We will provide additional updates as soon as they become available. Thank you for your patience!
- identified Jul 23, 2026, 04:10 PM UTC
This issue has been identified and we are working with our third party vendor on mitigation efforts
- identified Jul 23, 2026, 05:16 PM UTC
The potential cause of the degregation of the West US Azure Data Center has been identified. Mitigation efforts are currently underway. We will provide additional updates as soon as they become available. Thank you for your patience!
- identified Jul 23, 2026, 06:10 PM UTC
Our third party vendor is continuing to rollout mitigation actions
- monitoring Jul 23, 2026, 06:35 PM UTC
We are seeing continued restoration of sites across the platform, with services gradually returning to normal. Our teams are closely monitoring the situation and will share further updates as soon as they are available.
- resolved Jul 23, 2026, 08:34 PM UTC
This incident has been resolved and service availability and functionality fully restored.