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Finance | Project Operations, Human Resources, ...
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Azure Blob Storage - authenticating using Service Principal - outdated standard *.dll

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Posted on by 925

Hello, I am working on an integration to save a file to an Azure Blob Storage resource from within Dynamics 365. There is no problem to solve this by authentication through basic authentication or SAS token, but Azure.Core.dll and Azure.Storage.Blobs.dll, which are included by default in the Application Foundation model, do not support authentication through Service Principal. Versions of these libraries are outdated.

So I installed the updated libraries in my model and managed to get everything running on the OneBox and T1 environments. After deploying the changes to the T2 environment, however, the system starts using the standard *.dll and shows an error about missing methods.

Is there any way to solve this? Are the standard *.dlls updated at all? I found a similar topic from last year here, but maybe something changed since then.

Thank you in advance.

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  • Verified answer
    André Arnaud de Calavon Profile Picture
    301,037 Super User 2025 Season 2 on at

    Hi a-kow,

    With the link you shared, you already found your answer. You can't deploy your own version of the same dll as the old one is still active and managed by Microsoft.

    There are moments where Microsoft update dlls and remove deprecated obsolete coding. These are usually the April and October releases. If the dll was not updated as part of version 10.0.29 (October 2022), the next opportunity might be 10.0.33 (April 2023).

  • axk Profile Picture
    925 on at

    Thank you for your reply.

    In that case, I'll try to get around it probably through Azure Function as Joris suggested, and wait, maybe in the next updates (10.0.33) the libraries will be updated.

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