变量已填充，但下一个命令仍然说它是空的

Question

代码

$PGroup = Invoke-Command -ComputerName "xx.example.net" -ScriptBlock {Get-DPMProtectionGroup -DPMServerName "xx.example.net" | ft name -HideTableHeaders}
    Invoke-Command -ComputerName "xx.example.net" -ScriptBlock {Get-DPMJob -ProtectionGroup $PGroup -Status Failed}

错误：-

Cannot validate argument on parameter 'ProtectionGroup'. The argument is null or empty. Provide an argument that is not null or empty, and then try the command again. + CategoryInfo : InvalidData: (:) [Get-DPMJob], ParameterBindingValidationException + FullyQualifiedErrorId : ParameterArgumentValidationError,Microsoft.Internal.EnterpriseStorage.Dls.UI.Cmdlet.GetDpmJobCmdlet

Answer 1

Format-table 转换您的对象以在终端中显示，但如果您在下游将其用于其他目的，则您不希望这样。

变量已填充，但下一个命令仍然说它是空的

variable is filled, but still next command says it is empty

powershell

dpm