FatTail Outage History
FatTail is up right nowFatTail had 6 outages in the last 2 years totaling 2352h 55m of downtime — averaging 0.2 incidents per month.
There were 6 FatTail outages since April 27, 2025 totaling 2352h 55m of downtime. Each is summarised below — incident details, duration, and resolution information.
AdBook+ System Performance
Timeline · 5 updates
- investigating Feb 03, 2026, 03:49 PM UTC
We are aware of an issue impacting access to AdBook from Salesforce and are urgently investigating. Some users may encounter a “refused to connect” error or experience issues saving or syncing data. Further updates will be provided here as soon as they are available. Please contact us at support.fattail.com with questions.
- identified Feb 03, 2026, 05:51 PM UTC
We have identified an issue with the Salesforce integration that is affecting access to AdBook for clients who use SSO to authenticate via an MFA provider or Salesforce Identity Provider (IdP). We are actively working with Salesforce to identify the root cause and implement a fix. In the meantime, some users may continue to encounter a “refused to connect” error or experience issues with saving or syncing data. Further updates will be shared as soon as they become available.
- identified Feb 03, 2026, 08:37 PM UTC
The access issue between Salesforce and AdBook was caused by changes introduced by Salesforce in a recent release. Salesforce is actively working to roll back those changes. Following completion, our team will perform validation testing and confirm resolution. Further updates will be provided here as soon as they are available.
- monitoring Feb 04, 2026, 03:46 AM UTC
Salesforce has confirmed that the release change responsible for the issue has been fully rolled back. Since the rollback, our team has confirmed that the AdBook–Salesforce connection is performing as expected. We will continue to monitor closely to ensure ongoing stability. Please contact us at support.fattail.com with questions.
- resolved Feb 04, 2026, 11:56 PM UTC
After monitoring performance throughout the day, we have confirmed that the fix Salesforce released to address the access issue between AdBook and Salesforce has fully resolved the problem. Please contact us at support.fattail.com with questions.
AdBook+ System Performance | Affecting adbook03.fattail.com
Timeline · 5 updates
- investigating Sep 29, 2025, 03:32 PM UTC
We are aware of and urgently investigating an issue affecting clients who login via adbook03.fattail.com. Users may encounter errors saving lines, running reports or navigating areas of the system, including sync operations with Salesforce. Further updates will be provided here as soon as they are available. Thank you for your patience while we work to restore performance. Please contact us at support.fattail.com with questions. FatTail Support
- investigating Sep 29, 2025, 03:57 PM UTC
We are continuing to investigate this issue.
- investigating Sep 29, 2025, 04:30 PM UTC
Performance on adbook03.fattail.com is currently stable. We are continuing to research root cause and are actively monitoring all systems. Further updates will be provided as they become available. Thank you FatTail Support
- monitoring Sep 29, 2025, 07:41 PM UTC
Performance on adbook03.fattail.com remains stable. We are continuing to actively monitor all systems.
- resolved Oct 01, 2025, 01:22 PM UTC
This incident is being closed. A postmortem will be published as a follow up. Please contact us at support.fattail.com with questions. FatTail Support
AdBookOMS single-sign on access issue
Timeline · 3 updates
- investigating Jul 28, 2025, 03:31 AM UTC
We are aware of and investigating an issue affecting users accessing AdBookOMS via single-sign on integrations. This includes access via the Salesforce 'Access AdBook' integration. Users are receiving a 502 bad gateway error when attempting to access the system. Users who log directly in to AdBook are not impacted by this incident. FatTail engineering are investigating with urgency. Updates will be provided as soon as they are available. Thank you for your patience while we work to resolve this issue. FatTail Support
- identified Jul 28, 2025, 07:23 AM UTC
The issue has been identified and a fix is being implemented.
- resolved Jul 28, 2025, 07:42 AM UTC
Users are now able to successfully log in to AdBook via SSO integrations. We will follow up with details on cause of issue once a full report is available. Thank you for your patience while we worked to resolve this issue. FatTail Support.
AdBook+ Latency
Timeline · 7 updates
- investigating Jun 09, 2025, 03:57 PM UTC
We are aware of and investigating reports of latency across all AdBook+ environments. Our engineering teams are working with urgency to understand issue and restore performance. Thank you for your patience while we investigate. Please contact us at support.fattail.com with questions otherwise updates will be posted as quickly as possible. Thank you FatTail Support
- investigating Jun 09, 2025, 04:45 PM UTC
Our engineering team will be performing maintenance at 1.30pm EST which should last ~20 minutes and is designed to restore system performance. Users will not be able to access the system during this maintenance window. Please advise users to save their work ahead of 1.30pm. We will continue to closely monitor system performance and will update this incident further.
- monitoring Jun 09, 2025, 06:12 PM UTC
Maintenance has been completed and we are monitoring the results.
- investigating Jun 09, 2025, 06:58 PM UTC
We are continuing to research the cause of latency within AdBook. Additional updates will be provided as soon as possible. FatTail Support
- investigating Jun 09, 2025, 08:08 PM UTC
Our engineering team will be performing maintenance at 4.15pm EST which should last ~5 minutes and is designed to help with performance issues. Users will not be able to access the system during this maintenance window. We will continue to closely monitor system performance and will update this incident further.
- monitoring Jun 10, 2025, 12:21 AM UTC
Following a second maintenance update at approximately 4.30pm EST AdBook+ system performance has returned to normal levels. We continue to closely monitor system health and will leave this incident open. Thank you for your patience while we work to investigate and resolve latency. FatTail Support.
- resolved Jun 25, 2025, 12:55 PM UTC
Following a series of updates and monitoring we are closing this incident. A postmortem will be provided with details on cause of performance issues and remediation steps. Thank you. FatTail Support
Issue with 'EditIO' and 'EditDrop' Links in AdBook+ OMS Email Notifications
Timeline · 2 updates
- identified Apr 27, 2025, 05:37 PM UTC
We have identified an issue impacting the 'EditIO' and 'EditDrop' links in OMS email notifications. When users click these links, they are redirected to their AdBook+ landing page instead of the intended Campaign or Drop. This issue does not impact the Portal workflow — email links continue to redirect correctly to specific campaigns within the Portal UI. Our team is actively working on a fix and will provide an update as soon as we have a timeline for the release. We appreciate your patience as we resolve this issue. If you have any questions or concerns, please contact us at support.fattail.com.
- resolved Jul 14, 2025, 02:36 PM UTC
This issues was resolved in our 3.98.01 release.