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Power Platform Community / Forums / Power Automate / Help building flow to ...
Power Automate
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Help building flow to manage tenants in Lighthouse

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Posted on by CS-24030648-0 1
Hi,
I am building a flow in Power Automate to generate automated reports for the Microsoft 365 tenants we manage. I hv been getting stuck with permission issues despite doing all the back-end steps required to read in to the tenants alters, secure score and few other parameters. Would like to seek help from someone who has experience doing this.
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Building flows
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  • Suggested answer
    Sunil Kumar Pashikanti Profile Picture
    Sunil Kumar Pashikanti 2,318 Moderator on at
     
    Power Automate flows don’t automatically inherit Lighthouse/GDAP access. Even if you can see the data in Lighthouse, the flow needs to run using an Azure AD app (service principal) with Microsoft Graph Application permissions and admin consent, and that app must be explicitly included in the GDAP role assignment for each managed tenant.

    Best practice is to use HTTP with Azure AD in Power Automate, authenticate via the app (client credentials), and query Graph directly (e.g., Secure Score, alerts). Standard M365 connectors and delegated permissions usually fail in cross-tenant Lighthouse scenarios.
     

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