Top KCS Articles for April 2026, Curated For Your Campaign Troubleshooting Pleasure!

Dear Adobe Campaign Community,

Your time is precious, and we understand the importance of efficiency when it comes to troubleshooting issues with Adobe Campaign.

That's why we're excited to again bring you our carefully curated collection of Top KCS (Knowledge-Base) Articles for April 2026, designed to help you resolve common challenges swiftly and effectively.

Our Top KCS Articles are your shortcut to:

• Quickly identifying and resolving recurring issues.
• Accessing expert insights and best practices for Adobe Campaign.
• Streamlining your troubleshooting process for maximum productivity.
• Empowering yourself with the knowledge to tackle any campaign-related problem head-on.

Why spend hours searching for solutions, when our Top KCS Articles have already done the heavy lifting for you?

Let us help you save time so you can focus on what truly matters – creating exceptional campaigns with Adobe Campaign.

Start supercharging your problem-solving skills today by exploring our Top KCS Articles! 

Take a look:

1. No longer contact (by any channel) field updates incorrectly in Adobe Campaign — Learn about the solutions to the issue when managing subscription preferences through a landing page causes the No longer contact (by any channel) field to update incorrectly while No longer contact by email updates correctly and No longer contact (by any channel) is always checked even when it shouldn't be.
2. Branding of WebApps URLs in Campaign Classic — Learn about the solutions to the issue when you ask whether a WebApp URL can be modified or personalized to show a particular company's name instead of Adobe servers while the WebApp content stays hosted by Adobe servers.
3. Upload file to Azure blob storage - CRL-290029 Forbidden — Learn about the solutions to the issue when integrating Adobe Campaign v7 with Adobe Experience Platform you see an Audit Trail error similar to CRL-290029 Forbidden during upload, and you can read files from Azure Blob Storage, but can't write files there.
4. Campaign: Error in delivery activity (delivery sent successfully) — Learn about the solutions to the issue when you run a simple workflow to send a delivery, the delivery is sent, but the log shows Error: DLV-490002 stating that a new analysis can't start because the current delivery state (Finished) doesn't allow it.
5. Images not showing in email designer — Learn about the solutions to the issue when images uploaded to emails or deliveries in Adobe Campaign Standard aren't showing in the email designer interface, even though the image files upload successfully.
6. AEP Audience Activation fails due to List Limit in Adobe Campaign Managed Cloud — Learn about the solutions to the issue when activating an audience from Adobe Experience Platform in Adobe Campaign Managed Cloud reaches the maximum number of AEP-created lists defined by the NmsCdp_Aep_Audience_List_Limit option, so Create Audience jobs for new audiences fail and subsequent Load Audience jobs fail with database errors indicating that the list record doesn't exist even though activation appears successful in AEP.
7. Access denied error when making REST API calls to Adobe Campaign Message Center — Learn about the solutions to the issue when REST API calls to Adobe Campaign Message Center fail with XTK-170019 Access denied even after you add the testing IP addresses to the allowlist, because all public IP addresses involved in the request path must be added to the allowlist, including those used by proxies or load balancers, and when the issue occurs for some VPN connections, but not others.

Happy Troubleshooting!