# Troubleshooting

## Connection Issues

If you are trying to connect to the Workers Debug Server from a Workers application running in LabVIEW, and you don't see the Workers application appear in the Workers Application Manager, then the Windows firewall has probably blocked the connection from occurring. 

{% hint style="info" %}
By default a Debug Client will try to connect to a Debug Server over the **localhost** (which corresponds to IP address **127.0.0.1**) on port **6892**.
{% endhint %}

For LabVIEW and the Workers Debug Server, both need to be able to communicate over either the Windows **Private** network or the Windows **Public** network.

You can check that both **Private** and **Public** networks are allowed to be accessed by the **Workers 5.0 - Debug Server.exe** application, by ticking these boxes within the Windows **Allowed apps** settings, as shown below.

<figure><img src="/files/Pele0pb3PC5at4Eg0L57" alt=""><figcaption><p>Setting Windows firewall network access for the Workers Debug Server application</p></figcaption></figure>


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