We have a website built with Kentico Xperience 13.0.167 using ASP.NET Core, hosted on a Citrix server. The issue we're facing is that media files (images, PDFs, etc.) intermittently return a 404 - Page Not Found error when accessed from the frontend.This problem does not occur in our local environment, where everything works as expected. It only happens on the Citrix-hosted environment. All web farm servers are healthy, and sync logs do not show any issues. The problem is inconsistent — sometimes the files load correctly, and sometimes they don’t.We’ve been experiencing this issue for the past 3 months, and now it’s blocking our production deployment confidence. Has anyone faced a similar issue before or can suggest a reliable solution?Any help or insights would be really appreciated.Verified that web farm servers are healthy and syncing correctly.Restarted the application, clear cache, web farms restart and IIS — this temporarily resolves the issue, but it returns after some time.Checked the Kentico event logs for any sync or media-related errors — nothing unusual found.Confirmed that media files exist in the CMS media folder but not on Core application media folder.
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