TestPSRemotingEnabled.psm1

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#
#
# TestPSRemotingEnabled - Test PowerShell remoting
#
#


$ErrorActionPreference = 'Stop'


#
# Module functions
#


Function Test-PSRemotingEnabled {

    <#
 
     .SYNOPSIS
     Test if the target computer has PS Remoting enabled
 
     .DESCRIPTION
     Test if the target computer has PS Remoting enabled
 
     .PARAMETER ComputerName
     Name of the target computer
 
     .PARAMETER Quiet
     Use this switch to return only True (PS Remoting enabled) or False (PS Remoting disabled)
 
     .EXAMPLE
     Test-PSRemotingEnabled -ComputerName LabPC2064
 
     .EXAMPLE
     Test-PSRemotingEnabled -ComputerName LabPC2064 -Quiet
 
     .NOTES
     You must have administrator/domain admin rights or you will get an 'Access denied' error or 'False' if using the Quiet switch
 
     .LINK
     N/A
 
    #>


    [CmdletBinding ()]

    Param (

        [Parameter (Mandatory = $True,
                    ValueFromPipeline = $True,
                    ValueFromPipelineByPropertyName = $True,
                    HelpMessage = 'Enter computer name'
                   )
        ]

        [String[]]$ComputerName,

        [Switch]$Quiet

    )

    BEGIN {

        Function Show-Output ($Values) {

            [PSCustomObject]@{

                ComputerName = $Values[0]
                PSRemotingEnabled = $Values[1]
                Status = $Values[2]

            }

        }

    }

    PROCESS {

        ForEach ($Computer In $ComputerName) {

            $Result = $False

            If (Test-Connection -ComputerName $Computer -Count 1 -Quiet) {

                If ($Quiet) {

                    [Bool](Invoke-Command -ComputerName $Computer -ScriptBlock {Write-Output 'Ok'} -ErrorAction SilentlyContinue)

                }

                Else {

                    Try {

                        $Result = [Bool](Invoke-Command -ComputerName $Computer -ScriptBlock {Write-Output 'Ok'})

                        Show-Output ($Computer.toUpper(), $Result, 'Ok')

                    }

                    Catch {

                        Show-Output ($Computer.toUpper(), $Result, $PSItem.Exception.Message)

                    }

                }

            }

            Else {

                If ($Quiet) {

                    Write-Output 'Unreachable'

                }

                Else {

                    Show-Output ($Computer.toUpper(), '', 'Unreachable')

                }

            }

        }

    }

    END {}

}