# Queues

{% hint style="danger" %}
Queues are deprecated and will be removed in version 5. They have been replaced by [Computer Groups](/v4-beta/platform/computers.md#computer-groups).
{% endhint %}

You can assign computers to queues by using application settings. By default, every computer is assigned to the default queue and a queue specific to the computer itself. When you assign a computer to a custom queue, that queue will be available in the admin console and you can use the queue for ad-hoc script execution and schedules. 

{% hint style="warning" %}
Queues with no active computers will queue jobs indefinitely. 
{% endhint %}

## Configure a Queue

To a configure a computer to a specific queue, use the UniversalAutomation \ Queues setting. 

### appsettings.json

Assign a machine to a queue using an appsettings.json file. 

```powershell
"UniversalAutomation": {
    "Queues": ["windows7"],
}
```

### Environment Variable 

Assign a machine to a queue using an environment variable. 

```powershell
$ENV:UniversalAutomation__Queues = "windows7"
```

## Using a Custom Queue

Custom queues will be available within the Computer drop down in the script Run dialog, and trigger, script and schedule properties.


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