Error in element 'set-backend-service' Backend with id 'backendId' could not be found.

[pikkuhanuristi]

I have published a function app for production environment. Now I would want to puplish new version (v1) for the same app (separated function app). When I try to edit the <set-backend-service id="apim-generated-policy" backend-id="new-backend-app-id" /> directive I receive error 'Error in element 'set-backend-service' Backend with id 'backendId' could not be found.'

Why can't I rewrite V1 to the right target at APIM and what is the point of versioning system If I have to target v0 and v1 to the only and the same backend service?

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Document Details

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• ID: 25a33ff6-8ffc-ad26-d429-3170bcca9498
• Version Independent ID: fcd9c088-8b17-e53b-4c93-f90f2dc5c09c
• Content: Publish versions of your API using Azure API Management
• Content Source: articles/api-management/api-management-get-started-publish-versions.md
• Service: api-management
• GitHub Login: @vladvino
• Microsoft Alias: apimpm

[BryanTrach-MSFT]

@pikkuhanuristi Thanks for the feedback! We are currently investigating and will update you shortly.

[mike-urnun-msft]

@pikkuhanuristi I believe the exact scenario is covered on this doc describing the use of <set-backend-service> policy. Did you create a backend entity for the newer backend app before attempting to use the backend-id attribute? You can use either Powershell or API per the Note. If you've already created it and still getting an error, it also seems that id="apim-generated-policy" isn't part of the supported attributes. Also, instead of attempting to use the backend-id, have you tried using the base-url attribute?

Since your scenario isn't quite part of the scope of the content that this particular documentation covers, I will now proceed to close this thread. If there are further questions regarding this matter, please tag me here with your reply (so it notifies me) and I will gladly continue the discussion and I'd be happy to look further into this.