---
title: Download the OPC UA Server Certificate
slug: bhdo-v1/download-the-opc-ua-server-certificate
createdAt: 2022-09-26T17:15:54.000Z
---

You can download the connected OPC UA server CA certificate by navigating to **OPC&#x20;**> **Connections**. This certificate must be installed in the Trusted Root Certification Authorities store to enable trust.

:::hint{type="warning"}
**Important**: Make sure the server is started before you download the server certificate. See [Manage the OPC UA Server](docId\:p0hI_3Snb82jjd0MftpGg) to learn more.&#x20;
:::

To download the certificate, click the **Download server certificate** icon.&#x20;

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/1bKoAS4AUV6Ghg1acL4u7_download-opcua-certificate.png" size="80" width="951" height="414" caption="Download server certificate icon" position="center" showCaption="true"}

After clicking the icon, the `server_cert.der` certificate is downloaded to your hard drive.&#x20;