---
sourceDocument: Australia IT Operations Management
sourceDocumentLink: https://www.servicenow.com/docs/r/australia/it-operations-management

 Release :

    - australia

ft:locale :

    - en-US

ft:publication_title :

    - Australia IT Operations Management

ft:clusterId :

    - itom

bundleId :

    - itom

workflow :

    - Technology


---

# Run Certificate Discovery via port scans (DAW)

# Run Certificate Discovery via port scans in Discovery Admin Workspace {#ariaid-title1}

Release version: Australia  
Updated March 12, 2026  
![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read  
Configure a certificate port probe in the Discovery Admin Workspace, so Discovery collects certificates from devices with secure ports open during your existing IP-based Discovery schedules.

## Before you begin

Confirm the following:

* Discovery Admin Workspace v1.20.0 is installed.
* Certificate Inventory and Management v4.2.4 is installed.
* The ServiceNow AI Platform is running on the Brazil, Australia, or Zurich release starting with Patch 8.
{#daw-discover-certs-port__ul_gch_1lh_3kc}

Role required: discovery_admin

## About this task

Port scan discovery reuses your existing IP-based Discovery schedules. Whenever Discovery finds a device with one of the listed ports open, it reads and collects the certificate served on that port. Use this method when certificates are served on secure ports across your network.

## Procedure

1. Navigate to WorkspacesDiscovery Admin WorkspaceSchedules.
2. Select New Discovery from the header of any tab on the Schedules page.
3. Select Certificate discovery and select Continue.
4. Select Discover via port scans, then select Continue.  
   The Certificate Port Probe page displays with a list of ports to scan for certificates.
5. Select the Active check box to enable the port probe.
6. Add ports to scan for certificates.
   * To add an existing IP service, select Add or AddFrom existing IP services. In the Add from existing Ports dialog, select the check box next to each port to add, then select Save.
   * To add a new IP service, select AddNew IP services. In the Add a new IP service dialog, complete the IP Service fields and select Add.

   To remove a port, select it and then select Remove.
7. Select Save.  
   Discovery collects certificates from devices that have one of the listed ports open during your IP-based Discovery schedules.

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