Test a probe You can test a probe directly from the Probe record without launching discovery. Before you beginRole required: admin Procedure Navigate to Discovery Definition > Probes. Open the probe you want to test. Click Test probe. On the Test Probe window, enter the IP address of the target and select the MID Server. Only Up and Validated MID Servers are able to be selected. Click OK. Check the ECC Queue for the MID Server to see the results.