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Azure Blob Storage Integration Works in PRODUCTION but Fails in DEVELOPMENT Environment

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Posted on by Cenzo

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Hello Community,

I am facing an issue with Azure Blob Storage integration in Business Central.

In PRODUCTION, the connection and operations (upload/view blobs) work perfectly.
In the DEVELOPMENT environment, the same code was working until a few days ago, but now it fails.
Currently, I cannot upload or view any blob-related activities in the DEV environment, and I get an error (unfortunately, no changes were made to the code

Has anyone experienced this issue before? Could it be related to:

Azure Storage Account permissions/keys?
Environment-specific setup differences?
A recent update in Business Central or Azure affecting DEV only

Any guidance or troubleshooting steps would be highly appreciated.

Thanks in advance!

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Dynamics 365 Business Central

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Pallavi Phade 5,420 Super User 2026 Season 1 on at

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Namaste Nimsara ,

Check the below things due to which it might not work.

1) Azure Account - Firewall Settings , is it blocking external sources

2)Test in Azure Explorer if it fails then there is some issue in Azure Side

3) Check you valid permission in Entra Application side if you are using Azure Function

4) Check spelling of container name

5) Check any permissions have changed in BCE side .

6) Restart the environment from admin center and see

If you feel answer is helpful , please verify the answer

Regards

Pallavi Phade

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Gerardo Rentería Ga... 25,555 Most Valuable Professional on at

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Hi

If you review the detail, what does it show you?

Share error details to get help from another user | Microsoft Learn

Best

GR

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Rishabh Kanaskar 6,219 Super User 2026 Season 1 on at

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Hi,

Check these in your DEV environment, since PROD works:
> Storage Account Keys / SAS Token – ensure they haven’t expired or changed.
> Connection String / Endpoint – verify it points to the correct DEV storage account.
> Permissions – confirm the DEV identity (service principal or user) has proper Blob Contributor / Reader roles.
> BC Environment Settings – check Azure AD App registration or BC Web Service Access Key if used.
> Version/Updates – compare BC and AL versions between DEV and PROD; updates can affect TLS or authentication.

Troubleshooting steps:
> Test access outside BC (e.g., Azure Storage Explorer) using the DEV credentials.
> Check AL error logs for details.
> Refresh secrets or tokens if using OAuth.

Thanks

Rishabh

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Sumit Singh 11,757 Super User 2026 Season 1 on at

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Hi,

I think it's an duplicate question already raised.

Azure Blob Storage Integration Works in PRODUCTION but Fails in DEVELOPMENT Environment

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