---
title: "Poly Studio X : Error 103 — Cannot reach service"
slug: "poly-studio-x-error-103-cannot-reach-service"
updated: 2023-06-02T07:20:11Z
published: 2023-06-02T07:20:11Z
---

> ## Documentation Index
> Fetch the complete documentation index at: https://help.dialpad.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Poly Studio X : Error 103 — Cannot reach service

## Error 103

This error means that the Poly device has a network connection and knows how to get hold of the server, but it cannot reach the server or cannot receive responses from the server to its requests.

**Possible causes:**

- One or more firewall rules are blocking access to our services.

**Troubleshooting:**

- Review the Network Recommendations article for a list of domains, ports, and protocols to add to the Allow rules in the network firewall.