$driveLetter='c'
function expandDiskMaxSize($driveLetter='c'){
try{
$existingSize=(Get-Partition -DriveLetter $driveLetter).Size
Update-HostStorageCache
$max=(Get-PartitionSupportedSize -DriveLetter $driveLetter).SizeMax
if($existingSize -lt $max){
write-host "Resizing volume driver letter '$driveLetter' to its available maximum of $([math]::round($max/1GB))GB"
Resize-Partition -DriveLetter $driveLetter -Size $max -ea Stop
}else{
write-host "Volume driver letter '$driveLetter' is not less than its available maximum of $([math]::round($existingSize/1GB))GB. Volume not resized."
}
return $true
}catch{
write-warning $_
return $false
}
}
expandDiskMaxSize $driveLetter