This message appears when your agent has exhausted its allocated message quota.
Here is what typically causes it and how to fix it:
Most common causes:
1. Trial or free capacity exhausted — If your environment is using the free Copilot Studio trial or the included capacity from a Microsoft 365 license, this quota is limited and resets monthly. Once it runs out, the agent stops responding until the quota resets or you add paid capacity.
2. No Copilot Studio capacity assigned to the environment — In the Power Platform Admin Center, capacity (measured in "billed sessions" or "messages") must be explicitly assigned to the environment where the agent is published. If none is assigned, the agent will hit the limit quickly.
3. Capacity assigned to a different environment — Make sure the capacity purchased or allocated is assigned to the correct environment (e.g. Production, not Default).
What to check:
- Go to Power Platform Admin Center → Resources → Capacity and verify how much Copilot Studio capacity is assigned to your environment.
- Check Copilot Studio → Analytics to see your current message consumption.
- If you are on a trial, verify the trial expiry date.
To resolve it:
- Assign additional capacity to the environment in the Admin Center.
- Or purchase a Copilot Studio license (which includes a message pack) and assign it to the environment.
Hope this helps!
Paolo
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