# Verify System Requirements

> Verifies that the device meets specified system requirements such as operating system version, free disk space, installed updates, power supply connection, network.

Source: https://docs.capaone.com/capaone/application-manager/powerbricks/verify-system-requirements/  
Product: CapaOne — a separate CapaSystems product; do not apply this page to any other.

Verifies that the device meets specified system requirements such as operating system version, free disk space, installed updates, power supply connection, network connection, and presence of specific Windows services. The brick can be configured to either fail or retry execution later if the requirements are not met.

## Parameters

#### Operating System
*Optional* — Default: `All`

The operating system to verify the device is running on Allowed values: `All`, `Windows 10`, `Windows 11`.

#### Free Disk Space
*Optional* — Default: `3000`

The minimum free disk space in MB

#### KB Number
*Optional*

The KB number to verify is installed on the device. Example: KB5012345

#### Require Power Supply
*Optional* — Default: `False`

Enable to require that the device is connected to a power supply (laptops only). Disable to skip this requirement.

#### Minimum Battery Percentage
*Optional* — Default: `0`

The minimum battery percentage required (laptops only). Set to 0 to disable

#### Require Ethernet Connection
*Optional* — Default: `False`

Enable to require that the device is connected to an ethernet network. Disable to skip this requirement.

#### Service Name
*Optional*

The name of a Windows service that must exist on the device

#### Behavior
*Optional* — Default: `Fail`

The behavior if the requirements are not met Allowed values: `Fail`, `Retry Execution Later`.

#### Retry Later If User Is Busy
*Optional* — Default: `False`

Enable to retry later if the user is busy (e.g. showing a PowerPoint presentation). Disable to continue without this check.

## Details

- **Category:** System
- **Brick ID:** `Verify-Requirements`

## Raw JSON definition

**JSON**

```json
{
  "category": "system",
  "description": "Verifies that the device meets specified system requirements such as operating system version, free disk space, installed updates, power supply connection, network connection, and presence of specific Windows services. The brick can be configured to either fail or retry execution later if the requirements are not met.",
  "developerVendor": "CapaSystems A/S",
  "displayName": null,
  "id": "Verify-Requirements",
  "name": "Verify System Requirements",
  "parameters": [
    {
      "allowManualInput": false,
      "defaultValue": null,
      "defaultValueObject": {
        "id": "9999",
        "name": "All"
      },
      "description": "The operating system to verify the device is running on",
      "id": "OsSystem",
      "name": "Operating System",
      "regExValidation": "",
      "required": false,
      "type": "ComboBox",
      "value": null,
      "values": [],
      "valuesObject": [
        {
          "id": "9999",
          "name": "All"
        },
        {
          "id": "1",
          "name": "Windows 10"
        },
        {
          "id": "2",
          "name": "Windows 11"
        }
      ]
    },
    {
      "allowManualInput": false,
      "defaultValue": "3000",
      "defaultValueObject": null,
      "description": "The minimum free disk space in MB",
      "id": "FreeDiskSpace",
      "name": "Free Disk Space",
      "regExValidation": "",
      "required": false,
      "type": "Integer",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": "",
      "defaultValueObject": null,
      "description": "The KB number to verify is installed on the device. Example: KB5012345",
      "id": "KBNumber",
      "name": "KB Number",
      "regExValidation": "",
      "required": false,
      "type": "TextBox",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": "False",
      "defaultValueObject": null,
      "description": "Enable to require that the device is connected to a power supply (laptops only). Disable to skip this requirement.",
      "id": "RequirePowerSupply",
      "name": "Require Power Supply",
      "regExValidation": "",
      "required": false,
      "type": "Boolean",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": "0",
      "defaultValueObject": null,
      "description": "The minimum battery percentage required (laptops only). Set to 0 to disable",
      "id": "MinBatteryPercentage",
      "name": "Minimum Battery Percentage",
      "regExValidation": "",
      "required": false,
      "type": "Integer",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": "False",
      "defaultValueObject": null,
      "description": "Enable to require that the device is connected to an ethernet network. Disable to skip this requirement.",
      "id": "RequireEthernetConnection",
      "name": "Require Ethernet Connection",
      "regExValidation": "",
      "required": false,
      "type": "Boolean",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": "",
      "defaultValueObject": null,
      "description": "The name of a Windows service that must exist on the device",
      "id": "ServiceName",
      "name": "Service Name",
      "regExValidation": "",
      "required": false,
      "type": "TextBox",
      "value": null,
      "values": [],
      "valuesObject": null
    },
    {
      "allowManualInput": false,
      "defaultValue": null,
      "defaultValueObject": {
        "id": "1",
        "name": "Fail"
      },
      "description": "The behavior if the requirements are not met",
      "id": "Behavior",
      "name": "Behavior",
      "regExValidation": "",
      "required": false,
      "type": "ComboBox",
      "value": null,
      "values": [],
      "valuesObject": [
        {
          "id": "1",
          "name": "Fail"
        },
        {
          "id": "3326",
          "name": "Retry Execution Later"
        }
      ]
    },
    {
      "allowManualInput": false,
      "defaultValue": "False",
      "defaultValueObject": null,
      "description": "Enable to retry later if the user is busy (e.g. showing a PowerPoint presentation). Disable to continue without this check.",
      "id": "RetryLaterIfUserIsBusy",
      "name": "Retry Later If User Is Busy",
      "regExValidation": "",
      "required": false,
      "type": "Boolean",
      "value": null,
      "values": [],
      "valuesObject": null
    }
  ],
  "powershell": {
    "base64Encoded": true,
    "function": "ZnVuY3Rpb2..."
  },
  "type": "powerbrick",
  "version": "2026.9.1.1"
}
```