Command Validation Tasks form for pattern-based discovery

  • Release version: Australia
  • Updated March 12, 2026
  • 2 minutes to read
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    Summary of Command Validation Tasks Form for Pattern-Based Discovery

    The Command Validation Tasks form facilitates the creation or modification of tasks to test pattern commands in ServiceNow's pattern-based discovery. This ensures that commands execute correctly during the discovery process, enhancing the reliability of data collection from various servers.

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    Key Features

    • Task Number: Automatically generated by the system.
    • MID Server Selection Method: Choose from:
      • Specific MID Server: Define a specific MID Server for testing.
      • Automatic MID Selection: Use a MID Server assigned to the desired IP range or network.
      • Try All Eligible MID Servers: Utilize any MID Server available for the specified IP range or network.
    • Validate All Pattern Commands: Checkbox to validate all commands used by a specific pattern simultaneously.
    • OS Class: Specifies the CI class representing the servers for the validation task.
    • Command Type: Select based on server type, including options like Shell Command, WMI Query, or HTTP GET.
    • IP Addresses: Input any combination of IP v4 addresses, ranges, or networks, ensuring the ParseIPRanges script is installed for range/network usage.
    • Commands: Specify commands to test credentials, typically those that previously failed during discovery.
    • Pattern: Name of the pattern for command validation, applicable when not validating all commands.

    Key Outcomes

    By effectively utilizing the Command Validation Tasks form, ServiceNow customers can ensure their pattern commands are executed correctly, leading to more accurate and reliable discovery results. This functionality minimizes potential errors in the discovery process and enhances overall system performance.

    Command Validation Tasks form displays the fields that you must fill when you create or modify a task for testing a pattern command.

    For more information about testing pattern commands, see Validate commands used in pattern-based discovery and View command validation task results in pattern-based discovery.

    Field Description
    Number The task number is automatically created by the system.
    MID Server Selection Method Select the relevant method:
    • Specific MID Server - To define the MID Server for this test.
    • Automatic MID Selection - To use a MID Server that's assigned to the IP range or IP network that you want to use for the test. Select this method only if you have configured a MID Server with IP ranges or as a default MID Server for Discovery.
    • Try All Eligible MID Servers - To use any MID Server available for the the IP range or IP network that you want to use for the test. Select this method only if you have configured a MID Server with IP ranges or as a default MID Server for Discovery.
    MID Server The MID Server name.

    This field appears only if Specific MID Server is selected from MID Server Selection Method.
    Validate All Pattern Commands The check box for validating all commands used by a specific pattern simultaneously.
    OS Class The CI class that represents the servers on which you run this validation task.
    Command Type The command type that depends on the kind of the server:
    • Shell Command
    • WMI Query
    • SNMP Query (Tabular and Scalar)
    • SNMP Walk
    • HTTP GET (for Basic Authentication credentials, not Token)

    This field is available only when Validate Al Patterns Commands isn't selected.
    IP Addresses Any combination of IP v4 Addresses, IP Ranges, or IP networks. For example:
    • 10.196.39.12, 10.196.39.12 - Comma-separated IP addresses for a list of standalone addresses.
    • 1.1.1.1-1.1.1.100 - Hyphen-separated IP addresses for an IP range.
    • 1.1.1.1/28 - Slash notation for an IP network.
    Note:
    To use IP range or IP network, ensure you have installed the ParseIPRanges script include. For more information, refer to KB1123625: Command Validation Tool.
    Commands The commands for which you want to test credentials. Typically, it's a command that discovery process failed to execute. For example, /api/v1/pods?limit=50 or sudo dmidecode.

    You can select only commands from the list of available commands.

    This field is available only when Validate All Patterns Commands isn't selected.
    Pattern The name of the pattern for which you want to validate the commands.

    This field is available only when Validate All Patterns Commands isn't selected.