---
title: Manage OPC UA Certificates
slug: bhdo-v3/manage-opc-ua-certificates
createdAt: 2022-09-26T17:15:49.000Z
---

You can manage your OPC UA Client Certificates by navigating to **OPC **>** Certificates**. 

# Refresh Settings

You can click the **Show settings** icon to manage the refresh settings. 

![](https://api.archbee.com/api/optimize/vAqK-046vdh4I0e1y9cfX/X9wdGFjRG4c0lNew2qsgg_image.png)

- **Auto-Refresh**: Enable or disable auto-refresh of client certificates. Auto-refresh is enabled by default. 
- **Refresh connections:** Refresh the OPC UA client connections. 

# Manage OPC UA Certificates

You can click the **Action menu** for client certificates you've added to manage them. 

- **Trust**: You can trust the client certificate
- **Remove**: The client certificate is removed from the list. 

You can click the** Action menu** for all client certificates to remove all certificates from the list. 

![](https://api.archbee.com/api/optimize/vAqK-046vdh4I0e1y9cfX/T7Q8qVNpYdpVpzb7eakx__image.png)