# IB No Active Domain

LLMS index: [llms.txt](/llms.txt)

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## IB No Active Domain Alert

**Alert ID:** `ib_no_active_domain`
**Category:** Integration Broker
**Default threshold:** Immediate

### What This Alert Detects

This alert triggers when **no active message domains** are found in the Integration Broker. In PeopleSoft, message domains correspond to individual application servers running the Integration Broker background processes. If there are no active domains, Integration Broker cannot route, dispatch, or process any asynchronous publication or subscription messages.

### Severity Logic

|                 Condition                 | Severity |
| ----------------------------------------- | -------- |
| No message domains are in "Active" status | Critical |

### What Gets Checked

The alert queries the `PSAPMSGDOMSTAT` table to retrieve all registered domains. It counts the domains where the status is `"A"` (Active). If the count of active domains is zero, it triggers a **Critical** alert.

### Alert Details

Each alert item includes:

- The total count of registered domains
- A list of inactive domains along with their machine names and app server paths
- A link to the Integration Broker Monitor on the dashboard to inspect the domain statuses

### Configuration

```yaml
alerts:
  checks:
    ib_no_active_domain:
      enabled: true
```

|  Setting  | Default |          Description          |
| --------- | ------- | ----------------------------- |
| `enabled` | `true`  | Whether this check is active. |

### How to Respond

1. Log into the PeopleSoft server or use PSAdmin to check the status of the application server domains.
2. Verify if the Quick-Start or normal app server configuration has Integration Broker (Pub/Sub) processes enabled.
3. If the application server was recently restarted, check if the domains were configured to boot automatically or if they need to be booted manually.
4. Check system logs for application server boot crashes, memory errors, or database connection failures.