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Power Automate Step "Upload file from URL" receives 403 error with SharePoint list barcode

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Posted on by RedNDusty

This one's been a tough one to figure out and I haven't found any forum posts out there with this same question.

I've run into a scenario where we need a barcode generated with each record in a SharePoint list. Simple enough to set that up but when attempting to set up a flow to generate a downloadable document with the barcode embedded, I keep hitting a brick wall. So far, it seems the only way I can download the barcode is by following the link under that column and manually download it. Any other method presents a 403 error.

I assume it has to do with the image being dynamic (https://[tenant].sharepoint.com/sites/[SiteName]/_layouts/15/barcodeimagefromitem.aspx?ID=[itemID]&list=[listID ]) but there isn't a direct path to the image in order to test that theory. My only other thought is that I don't have proper security permissions but that doesn't track because I'm the site owner under my organization and I'm running into the same error message under my own dev tenant.

At a loss folks so any guidance would be appreciated.

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Michael E. Gernaey 53,968 Moderator on at

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Hi @RedNDusty

It is clear from the message that in fact the call is getting forbidden.

Now that could be because it doesnt exist, or you dont have permission or the destination doesnt exist or you dont have permission.

I see for the destination you just have /test.gif, but what does that make the URL path to be???

Can you put in the full path etc there just to be safe.

If I have helped you, I would really appreciate if you please Mark my answer as Resolved/Answered, and give it a thumbs up, so it can help others

Cheers

Thank You
Michael Gernaey MCT | MCSE | MCP | Self-Contractor| Ex-Microsoft
https://gernaeysoftware.com
LinkedIn: https://www.linkedin.com/in/michaelgernaey

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RedNDusty 9 on at

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Hey @FLMike,

The "/test.gif" is the file name the "Upload file from URL" action is attempting to apply to the barcode image it's meant to save to OneDrive. The path for the SharePoint generated barcode doesn't actually exist. It seems that SharePoint doesn't treat it as an image column like you would expect. The only thing it provides is a value of the barcode (ex: 2591844301) and the dynamic URL I've provided (https://sometenant.sharepoint.com/sites/TestSite/_layouts/15/barcodeimagefromitem.aspx?ID=8675309&list=333333ab-0cd-2ef7-b1df-d4f23e16cd83 ).

I understand that the obvious answer is that I don't have appropriate permission to access this dynamic URL via Power Automate. I'm hoping I can get some guidance on how to obtain the correct permissions level in order to access this image directly. I imagine it has something to do with how Power Automate is accessing this URL. I'm otherwise able to view the image when logged into my tenant account.

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