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Consume Custom service using Postman from F&O VHD

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Posted on by Pratik Rami

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I am using F&O VHD from LCS.

I have created a custom service . I want to test it using Postman or third-party app. I have created app in Azure AD, getting Access token properly but when I try GET call "baseurl/data/Vendors" or "baseurl/api/services/MyServiceGroup/MyService/Method" I am not able to consume this custom service or Entity.

Is it something that we can not access this services (Public URL) outside VHD ?? I read this reason in one blog.

If I want to access Custom Services or Entities then I need Cloud version ?

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nmaenpaa 101,160 Moderator on at

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You can't access the local VM URL from the outside. But you can test it from within the VM. So, just install Postman in the VM and use it.

You might also be able to set up a publicly accessible URL in your VM - earlier it was easy, but quite some time ago MS changed something and at least for us it stopped working. And we did not want to invest time into that.

If you want to test integrations from external systems to D365FO, it's easiest to just deploy a cloud hosted system.

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Gunjan Bhattachayya 35,423 on at

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Hi Pratik,

If you are hosting the VM locally downloading the VHD file from LCS, you won't be able to access the url from outside the VM. You can install postman in the VM itself and access the service(s).

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Pratik Rami 225 on at

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I tried by installing Postman in VM. I am getting 401 Unauthorized as response.

I am sharing how I have created app in Azure AD. Let me know if I am missing anything.

1) First I have created App in Azure Active Directory.

2) Generated Client sercret

3) Below Permissions Given

Access Dynamics AX Custom Service

Access Dynamics AX data

Access Dynamics AX online as organization users

4) Added Application ID(Client Id),Name,User Id in F&O => Azure Active Directory applications.

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nmaenpaa 101,160 Moderator on at

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You need to add the D365FO URL in the reply URL list of your AAD app registration.

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Gunjan Bhattachayya 35,423 on at

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I think you will need the User.Read permission as well. You can check this link for the permissions to be given.

Also, please check if the User mentioned in D365 F&O Azure active directory applications setup has access to the App created in Azure AD.

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Pratik Rami 225 on at

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I have added User.read permission. and also added F&O URL as redirect URls

I am using Postman so in platform configuration I should use mobile and desktop applicartions right ?

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nmaenpaa 101,160 Moderator on at

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Well, actually you are integrating with a cloud service (D365FO) so you might want to choose "Web". I'm not sure which one is correct, this "Configure platforms" appeared quite recently. It's some kind of a template, but you can still configure it afterwards anyway you wish - at least via the manifest file.

By the way, does it now work for you, after adding the permission and the reply URL? If not, does it behave differently? Please keep us updated about it. Thanks!

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Pratik Rami 225 on at

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no . still getting 401 UnAuthorized. thats why I asked about this Platform related thing. bcz to redirect url I have to first select Platform . I have selected Mobile & Desktop Applications.

I am also checking what Gunjan has told regarding user. Will update you once I check that. will also try by selecting web in platform

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Gunjan Bhattachayya 35,423 on at

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Hi Pratik,

You can check this post as well, if you haven't already.

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nmaenpaa 101,160 Moderator on at

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Also one detail to check in PostMan, make sure that you don't have a trailing dash (/) in any of the URLs in your request.

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