---
title: Download the OPC UA Server Certificate
slug: litmusedge/product-features/opc-ua-server/connections/download-opc-ua-server-certificate
description: Learn how to download the OPC UA Server certificate. 
docTags: 
createdAt: 2022-09-26T17:15:54.000Z
---

You can download the connected OPC UA server CA certificate by navigating to **OPC **> **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:7VkiL1p6HpevwgMVJ98dx) to learn more. 
:::

To download the certificate, click **Download server certificate**.

![](https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/o_zUtJ0sPzQpiPkB49G4J_image.png)

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