-Iist not working within workflow

This topic contains 1 reply, has 2 voices, and was last updated by  Richard Siddaway 1 week, 1 day ago.

  • Author
  • #76866


    I am trying to pull few registry value for 5k serves.with below command inside workflow:
    Get-WmiObject -list -Namespace root\default | Where-Object {$_.Name -eq "StdRegProv"}
    I am getting below error:
    At E:\QR_Validation\Untitled4.ps1:13 char:16
    + ... $reg = Get-WmiObject -List -Namespace root\default -PSComputerN ...
    + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    Could not find a parameter named 'List'. Supported parameters are: Amended, AppendOutput, Authority, Class, Debug, DirectRead, DisplayName, EnableAllPrivileges, ErrorAction, Filter, Impersonation,
    InformationAction, Input, Locale, MergeErrorToOutput, Namespace, Property, PSActionRetryCount, PSActionRetryIntervalSec, PSActionRunningTimeoutSec, PSAllowRedirection, PSApplicationName, PSAuthentication,
    PSAuthenticationLevel, PSCertificateThumbprint, PSCommandName, PSComputerName, PSConfigurationName, PSConnectionRetryCount, PSConnectionRetryIntervalSec, PSConnectionUri, PSCredential, PSDebug,
    PSDisableSerialization, PSError, PSInformation, PSPersist, PSPort, PSProgress, PSProgressMessage, PSRemotingBehavior, PSRequiredModules, PSSessionOption, PSUseSsl, PSVerbose, PSWarning, Query, Result,
    UseDefaultInput, Verbose, WarningAction.
    + CategoryInfo : ParserError: (:) [], ParseException
    + FullyQualifiedErrorId : CouldNotFindParameterName

  • #76909

    Richard Siddaway

    You've hit one of the joys of workflows.
    When you type
    Get-WmiObject -list -Namespace root\default | Where-Object {$_.Name -eq "StdRegProv"}
    in a Powershell console or run it in a script you're running the Get-WmiObject and Where-Object CMDLETS.

    When you use the same line in a PowerShell workflow you're running POWERSHELL WORKFLOW ACTIVITIES. Think of an activity as a cmdlet with a .NET wrapper that may modify, add or remove parameters. In the case of Get-WmiObject the -List parameter has ben removed.

    Depending on what you're trying to achieve you may be able to wrap the code as an InlineScript

    workflow test1 {
     Inlinescript {
       $reg = Get-WmiObject -list -Namespace root\default | Where-Object {$_.Name -eq "StdRegProv"}

    It may be easier in the long run to use Invoke-WmiMethod or better still Invoke-CimMethod

    workflow test2 {
    [uint32]$hklm = 2147483650
    $subkey = "SOFTWARE\Microsoft\Internet Explorer"
    $value = "Version"
     Invoke-WmiMethod -Namespace root\cimv2 -Class StdRegprov -Name GetStringValue -ArgumentList $hklm, $subkey, $value
    workflow test3 {
    [uint32]$hklm = 2147483650
    $subkey = "SOFTWARE\Microsoft\Internet Explorer"
    $value = "Version"
     Invoke-CimMethod -Namespace root\cimv2 -ClassName StdRegProv -MethodName GetSTRINGvalue -Arguments @{hDefKey=$hklm; sSubKeyName=$subkey; sValueName=$value}

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