function Get-DriveSpace {

[CmdletBinding()]

param(

[Parameter(Position=0,

ValueFromPipeline=$true,

ValueFromPipelineByPropertyName=$true,

Mandatory=$true)]

[ValidateNotNullOrEmpty()]

[Alias('cn', 'host', 'hostname')]

$ComputerName,

[Parameter(Mandatory=$false)]

[Alias('cred', 'login', 'runas')]

[System.Management.Automation.Credential()]$Credential =

[System.Management.Automation.PSCredential]::Empty

)

ForEach ($Server in $Computername) {

if ($Credential)

{

$GetVolume = Get-WmiObject –ComputerName $Server –Class Win32_Volume -filter "DriveType=3" -Credential $Credential -ErrorAction SilentlyContinue | Where-Object {$_.Label -ne 'System Reserved'}

}

else

{

$GetVolume = Get-WmiObject –ComputerName $Server –Class Win32_Volume -filter "DriveType=3" -ErrorAction SilentlyContinue | Where-Object {$_.Label -ne 'System Reserved'}

}

try

{

$GetVolume | `

Format-Table –auto @{Label="Server";Expression={$Server}}, `

@{Label="Drive Letter";Expression={$_.DriveLetter}}, `

@{Label="Volume Label";Expression={$_.Label}}, `

@{Label="Free(GB) ";Expression={"{0:N3}" –F ($_.FreeSpace/1GB)};alignment="right"}, `

@{Label="Size(GB) ";Expression={"{0:N3}" –F ($_.Capacity/1GB)};alignment="right"}, `

@{Label=" % Free";Expression={"{0:P2}" –F ($_.FreeSpace/$_.Capacity)};alignment="right"}

}

catch

{

Write-Warning "Connecting to $Server failed. ($_.Exeption.Message)"

}

}

}