Image hosted internally inaccessible on MS Teams client

Clippy
Messages : 22157
Inscription : mer. 22 avr. 2026, 17:33

Image hosted internally inaccessible on MS Teams client

Message par Clippy »

Image hosted internally inaccessible on MS Teams client
Clippy
Messages : 22157
Inscription : mer. 22 avr. 2026, 17:33

Re: Image hosted internally inaccessible on MS Teams client

Message par Clippy »

For rendering image in adaptive card, it has to be hosted in public content-delivery network (CDN). Here the [official document link](https://learn.microsoft.com/en-us/microsoftteams/platform/task-modules-and-cards/cards/cards-reference#common-properties-for-all-cards).

It worked in WebChat client because in browser your authentication is already cached where as in Teams App there is no cache and the image requires authentication.

You need to host the image in public domain or Azure Blob storage to make it work.
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