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Dynamics 365 Community / Forums / Small and medium business | Business Central, N... / Sending documents from...
Small and medium business | Business Central, N...
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Sending documents from Business Central to SharePoint

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Posted on by LK-07050844-0 50
Hi guys,
 
I am working on integration of Business Central with SharePoint, specifically in sending uploaded files in BC to SharePoint. I coded a function to get the token, and it succeeds, but my HTTP post function fails. This is my first time doing an integration like this, so I am not sure if I am doing this properly. Am I missing some permissions maybe? Noteworthy, I made a custom SharePoint Setup table in which I store the Client ID and Secret and the tenant ID, and also the URLs to the specific folders in SharePoint to which I want to send the file/files. Since I am new at this, any suggestion would be helpful.
Categories:
Dynamics 365 Business Central
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  • Suggested answer
    Nimsara Jayathilaka. Profile Picture
    Nimsara Jayathilaka. 4,814 on at
    Sending documents from Business Central to SharePoint
    Hi
     
    When integrating Business Central with SharePoint to upload files, obtaining the authentication token is only the first step. The most common reason HTTP POST calls fail is missing or misconfigured permissions—your Azure AD app must have Sites.ReadWrite.All or Files.ReadWrite.All application permissions with admin consent. Ensure the access token is issued for Microsoft Graph and includes the required scopes. The POST request must target the correct SharePoint folder URL, include the proper headers (Authorization: Bearer {token}, Content-Type: application/octet-stream), and send the file in binary format. Testing the API in tools like Postman can help isolate issues, and using Business Central’s built-in SharePoint integration module can simplify authentication and file handling.
     
     
    Thanks
    Nimsara
  • Suggested answer
    OussamaSabbouh Profile Picture
    OussamaSabbouh 1,070 on at
    Sending documents from Business Central to SharePoint
    Hello,
     
    To send files from Business Central to SharePoint:
    Use the SharePoint module in the System Application, it handles authentication and file uploads automatically.
    If using raw HTTP, enable Allow HttpClient Requests in Extension Management.
    Authenticate via OAuth2 client credentials and include the Authorization: Bearer <token> header.
    Your Entra app must have SharePoint or Graph write permissions with admin consent.
    For small files, use SharePoint REST (Files/add); for large files, use a Graph upload session.
     
    Regards, 
    Oussama 
  • Suggested answer
    Rishabh Kanaskar Profile Picture
    Rishabh Kanaskar 5,126 on at
    Sending documents from Business Central to SharePoint
    Hi,
     
    You can also use Power Automate with the SharePoint connector to create a file from Business Central attachments. Alternatively, configure Microsoft Graph with proper app permissions and grant access to the target site for direct uploads. 
     
    Thanks
    Rishabh
  • Suggested answer
    Aman Kakkar Profile Picture
    Aman Kakkar 964 on at
    Sending documents from Business Central to SharePoint

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