Anaplan experienced a major incident on September 21, 2025 affecting us1: Data Center - US East and us2: Data Center - US West and 1 more component, lasting 1h 28m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Sep 21, 2025, 06:14 AM UTC
We are currently investigating an issue resulting in customers experiencing intermittent slow performance on the Anaplan Platform. We are working to resolve this issue as quickly as possible and will provide updates every 30 minutes or upon resolution.
- investigating Sep 21, 2025, 06:58 AM UTC
We are currently investigating an issue resulting in customers experiencing intermittent access issues to the Anaplan Platform. Work Around: We have identified that an error is intermittently preventing the login page from loading correctly. If customers encounter this issue, please wait several minutes and either an error message or blank white screen will display on the right hand side. On occasion the context does display correctly. Once this error appears, customers should be able to log into the site and access it as normal. We are working to resolve this issue as quickly as possible and will provide updates every 30 minutes or upon resolution.
- monitoring Sep 21, 2025, 07:29 AM UTC
Service has now been restored; you should now be able to resume normal activities. We will continue to monitor the platform to ensure no additional issues arise. If you have any questions, concerns, or continue to experience issues, please do not hesitate to contact Anaplan Support. We will provide a final update to you when we consider this situation fully resolved.
- resolved Sep 21, 2025, 07:42 AM UTC
We have confirmed that the issue is now resolved. We deeply apologize for any impact this issue may have caused. We appreciate your patience and partnership as we worked through this issue. We will follow up within 7 business days with a detailed root cause analysis (RCA) that will be shared on our Status Page. If you have any question or concerns, please do not hesitate to contact us at Anaplan Support.
- postmortem Sep 25, 2025, 04:15 PM UTC
On September 21, 2025, at 05:56 UTC, our internal monitoring systems detected a potential issue with platform access. As a result of this issue, some users may have experienced delays when attempting to log in. This issue affected users attempting to access any Anaplan region from a network based in the U.S. Our investigation identified that the login page was configured to wait for all components to load, including a non-essential announcements panel. We found that a third-party element within the announcements panel was experiencing a service disruption and was failing to load promptly. This prevented the login process from completing until the connection timed out and temporarily blocked access for affected users. The instability with the external component subsided, and our monitoring confirmed that full service was restored for all users at 07:06 UTC. While this issue originated with our vendor, our priority is protecting our platform from these events, regardless of their origin. To prevent future occurrences of this issue, we’re modifying our login page to ensure that the core login function is completely independent of the announcements panel. This will ensure that login functionality remains operational even if this non-essential component is unresponsive. We apologize for any impact this issue may have had on your business operations. We are continuously strengthening our systems and procedures to ensure we avoid future disruptions to your business and users. If you have further questions or concerns, please visit the [Anaplan Support](https://support.anaplan.com/) website. Thank you for your patience during this situation and thank you for being an Anaplan customer.