You have a Microsoft Entra tenant that contains the users shown in the following table.

To complete approval for Agent1: Instruct User4 to approve Agent1; To complete the agent setup: Create an app registration for Agent1

Security Store partner-built agents require organization-level approval before contributors can acquire and use them. User4 is the Security Copilot Owner, so User4 is the least-privilege approver among the listed accounts. The agent also needs an app registration so the agent identity and permissions can be represented through Microsoft Entra. Global Administrator could approve many things, but using the Security Copilot Owner avoids unnecessary tenant-wide privilege for this operational approval. This answer also follows operational scalability. Microsoft security architecture favors policy-driven deployment, agentless assessment, managed identities, and Defender workload plans where possible. Those mechanisms reduce manual configuration while keeping enforcement tied to the resource type, which is why the selected choice is stronger than manual or after-the-fact alternatives. The result is a direct exam-style implementation choice: it changes the required security behavior without relying on unrelated monitoring, manual cleanup, or excessive privilege. Official Microsoft source/topic: SC-500 Study Guide > Microsoft Security Copilot agents; Microsoft Learn > Security Store agent approval and app registration.

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