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  • Andrew 8 posts 79 karma points
    Aug 19, 2019 @ 03:03

    Setting up Azure Blob Storage


    I am having an issue with Umbraco 8 and my /media/ folder pointing to Azure Blob Storage, the problem is only happening on localhost

    If I have Image Processor parameters my images redirect to the correct place (Azure Blog Storage cache )

    e.g. http://localhost/media/hzlhut3x/video-analysis-laptop.png?rnd=1

    But If I don't have any URL parameters I I get a 404

    e.g. http://localhost/media/hzlhut3x/video-analysis-laptop.png

    In Umbraco7, I would have checked FileSystemProviders.config to double check my settings but in Umbraco8 there is no such file, so instead I am double checking my web.config settings are correct:

    <add key="AzureBlobFileSystem.ContainerName:media" value="media" />
    <add key="AzureBlobFileSystem.RootUrl:media" value="https://[redacted]" />
    <add key="AzureBlobFileSystem.ConnectionString:media" value="DefaultEndpointsProtocol=https;AccountName=[redacted];AccountKey=[redacted]" />
    <add key="AzureBlobFileSystem.MaxDays:media" value="365" />
    <add key="AzureBlobFileSystem.UseDefaultRoute:media" value="true" />
    <add key="AzureBlobFileSystem.UsePrivateContainer:media" value="false" />

    I've checked inside Azure > Storage Accounts and the blobs exist with the correct permission (blob), and if i click on the file I can see the image

    Any tips?

  • Shaishav Karnani from 354 posts 1638 karma points
    Aug 19, 2019 @ 06:51
    Shaishav Karnani from

    Yes this need to be added to web.config.

    This article will help you to setup Azure Blob Storage correctly on Umbraco 8.

    Hope this helps and let me know if you need any further assistance.



  • Andrew 8 posts 79 karma points
    Aug 19, 2019 @ 20:41

    Hi Shaishav

    Yes, I added those settings to my web.config and followed the instructions and I am still having the same issue.

    It's happening on four of my websites that run Umbraco 8.

    It's not happening on my staging environment - only on localhost


  • Jeroen Vantroyen 54 posts 394 karma points c-trib
    Oct 15, 2019 @ 09:57
    Jeroen Vantroyen

    I had the exact same problem. Without parameters, I get a 404, but with parameters, the image works fine.

    I found the solution in a faulty Media/web.config, according to this thread -

  • Bobi 345 posts 949 karma points
    Apr 30, 2022 @ 02:12

    Was the solution ever determined? I am running this for v8 and when I implemented the blob storage I am getting a lot of imageprocessing 404 errors in the back office log. Images work and are in the media container and show up on the site. Not sure what’s happening.

  • Simon steed 374 posts 686 karma points
    Jan 31, 2023 @ 10:45
    Simon steed

    Did anyone ever get to the bottom of this? We have this in local and production environments and just cannot get a solution that works?


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