web
You’re offline. This is a read only version of the page.
close
Skip to main content

Notifications

Announcements

Community site session details

Community site session details

Session Id :
Small and medium business | Business Central, N...
Suggested Answer

Unable to get blob from Azure Blob Storage Using External File Accounts

(4) ShareShare
ReportReport
Posted on by 18

Hello,

I'm trying to access a file stored in Azure Blob Storage using External File Accounts in Business Central. However, when I attempt to retrieve the file, I encounter the following error:
“Could not get Blob”

Has anyone experienced this issue before or can provide guidance on what might be causing it and how to resolve it?

Thank you!



I have the same question (0)
  • Harikrushna Sangani Profile Picture
    18 on at

    I can successfully access other files from Blob Storage; the issue occurs only with this blob and a few others. One common factor is that these blobs are larger than 150 MiB.

    When I test the blob URL directly in a browser, the file opens without any issues. The problem only occurs when accessing it from Business Central.

    Since, Business Central uses the HttpClient data type to retrieve data, and according to the documentation, HttpClient calls can fail if the response exceeds the allowed size limit (in MiB). For Business Central online, the limit is 150 MiB. This seems to align with the behavior I’m seeing for larger blobs.

    Ref: https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/methods-auto/httpclient/httpclient-data-type#ways-that-httpclient-calls-can-fail 


    Is there any other way to achieve this in Business Central for large blob files?
  • Suggested answer
    OussamaSabbouh Profile Picture
    7,836 on at
    Hello,
     
    The “Could not get Blob” error in BC almost always means a SAS token or permission issue, not a missing file: the SAS is expired, missing Read/List rights, scoped to the wrong container/folder, or the path/casing in BC doesn’t exactly match Azure Blob (Blob paths are case-sensitive). Regenerate a SAS with Read + List, verify the container and directory match exactly, test the SAS URL directly in a browser, and re-save the External File Account—once those align, the file opens normally
    .
    Regards,
    Oussama Sabbouh

Under review

Thank you for your reply! To ensure a great experience for everyone, your content is awaiting approval by our Community Managers. Please check back later.

Helpful resources

News and Announcements

Season of Giving Solutions is Here!

Quick Links

Responsible AI policies

As AI tools become more common, we’re introducing a Responsible AI Use…

Neeraj Kumar – Community Spotlight

We are honored to recognize Neeraj Kumar as our Community Spotlight honoree for…

Leaderboard > Small and medium business | Business Central, NAV, RMS

#1
OussamaSabbouh Profile Picture

OussamaSabbouh 1,476

#2
Khushbu Rajvi. Profile Picture

Khushbu Rajvi. 789 Super User 2025 Season 2

#3
YUN ZHU Profile Picture

YUN ZHU 719 Super User 2025 Season 2

Last 30 days Overall leaderboard

Featured topics

Product updates

Dynamics 365 release plans