ADMIN Rest API request using Service Principal

[sebastianj]

Hi all, 

I am trying to use ADMIN REST API for Power BI (e.g., GetGroupsAsAdmin) using a Service Principal (Read-Only). 

I have follow the MS documentation for this process: 

1. Create App in Azure (Without any PBI Admin-consent credential)

2. Add the App into a Secure Group in Azure

3. Enable the Service Principal in Power BI and add the Secure Group as an specific group

4. Add the App as a member of the workspaces in Power BI Service

Then I generate the access token in PowerShell and try to pull out data from REST API using Anonynous connection in Power BI Desktop.

Yet I was getting a forbidden access message...

Then we allow the Delegated Permission (Tenant.ReadAll) but message just changed to "Credential provided are not valid"

Does anyone know what could be happening?

Many thanks

[Anonymous]

Hi @sebastianj,

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Xiaoxin Sheng

[Daryl-Lynch-Bzy · Accepted solution]

Hi @sebastianj - you shouldn't need step 4.  The Service Principal app will be assigned premissions to read all workspaces when the Security Group it is a member of was added in step 3.  However, can I please check that you added it in the 2 places in the Power BI Tenant Settings:

1. Allow service principals to use Power BI APIs
2. Allow service principals to use read-only Power BI admin API

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