Gateways
On this screen, you can view the gateways available in Power BI along with useful information such as server name, contact information, gateway version, and the number of data sources using that gateway. It serves as an inventory of your company's gateways, since the system allows you to export this data to CSV and Excel.
By clicking "Actions" and then "Manage in Power BI", you can be redirected to Power BI to manage the gateway settings there.

Permissions to list gateways and data sources
To be able to list the existing gateways in the Power BI environment, it is necessary to grant a permission to the application user (PowerEmbedded-App) in the Power BI Service.
Go to the Manage connections and gateways screen and click the Manage on-premises data gateways option.

Now click the 3 ellipses (...) next to the gateway you want to grant permission for and select the Manage Users option.

On the user management screen, search for the name of the application you are using in Power Embedded (the default name is PowerEmbedded-App), check the Administrator permission, and click the Share button.

Now repeat this process for all gateways you need to manage and access data through Power Embedded, especially if you will be using a connection with Analysis Services (SSAS).
If you are using a DirectQuery or Live Connection with an Analysis Services (SSAS), this gateway configuration may be required to open reports if they show a connection error.
IMPORTANT: It is not necessary to change permissions on data sources, since the Power Embedded user already has Administrator permission on the Gateway.
This greatly reduces the effort of having to configure these permissions on each data source, since the number of data sources is much larger than the number of gateways.
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