---
title: "Troubleshooting: Websocket errors"
date: "2021-06-14T12:01:23-04:00"
section: "guide"
weight: 4
---

If the websocket persistently fails to connect to the server, check that the web proxy is configured correctly:
* [If running Focalboard with Mattermost](/download/mattermost/)
* [If running Focalboard Personal Server](/download/personal-edition/ubuntu/#configure-nginx)