Find and triage unmanaged, ownerless and stale agents
IT uses the Agent 365 registry to identify unmanaged agents, agents without owners and low-activity agents, then checks business purpose and data access before deciding whether to assign an owner, block, retain or retire them.
Where the action happens
Agent 365 / Microsoft 365 admin centre
Product or feature needed
Agent registry, lifecycle actions and shadow-agent governance
AI required
No - governance task
Extra credits
No - discovery and lifecycle review do not themselves consume Copilot Credits
Technical skill
High
Risk level
High - unknown ownership and unmanaged access increase operational and data risk
Licence dependency
Agent 365 centralises discovery and lifecycle management. Available actions and integrations depend on tenant licensing, roles and the type of agent being governed.
Credit dependency
No Copilot Credits for the governance review itself; individual agents may have separate licence or metered usage.
UK availability
available
What it can do
- Highlights unmanaged agents and agents without owners so they can be prioritised for review.
- Supports governance actions such as reassigning ownership, blocking or unblocking agents, and deleting agents when appropriate.
- Helps distinguish active business agents from experiments, abandoned prototypes and agents whose original owner has left or changed role.
- Provides a practical route for reducing agent sprawl without assuming every discovered agent is unsafe or unnecessary.
Limitations
- Low usage alone is not evidence that an agent should be deleted; some valid agents are seasonal or infrequently used.
- Deletion can be destructive, so the owner and business purpose should be checked before permanent retirement.
- Agents built outside Microsoft's ecosystem may require registry synchronisation or onboarding before they are visible and governable in the same way.
Prerequisites
- A current agent inventory or Agent 365 registry view.
- A triage process with named responsibility for contacting owners and making lifecycle decisions.
- A retention or retirement rule appropriate to the organisation's risk, audit and operational requirements.
Workarounds
If deletion is uncertain, block or otherwise restrict the agent first, record the decision and review after an agreed observation period before permanent retirement.
No premium licensing needed. External dependency: Governance process / available admin controls.
Notes
Suggested triage: identify unmanaged/ownerless/stale agents → confirm owner and purpose → review data/tools/audience → assign owner or apply controls → block/restrict if uncertain → retire when no longer needed. Keep human review in the decision; inactivity is a signal, not a verdict.
Watch-outs for Advanced: govern & scale
- Keep detailed governance here rather than repeating it on every beginner capability.
- Track ownership, access, cost, lifecycle and exceptions once services are shared or business-critical.
- AI Redlines remain separate from normal governance and should be treated as hard boundaries.
Sources
- https://learn.microsoft.com/en-us/entra/agent-id/publish-agents-to-registry
- Manage agent registry in Microsoft 365 admin center checked 2026-09-15
- Governance and Lifecycle actions for agents available in Microsoft 365 admin center checked 2026-09-15
- How do we start governing agents without slowing innovation? checked 2026-09-15
Last checked: 2026-09-15
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