Script to correct home folder permissions

CorrectHomeFolderPermissions.ps1

Param(
  $HomeFoldersDirectoryPath = 'C:\Default\Path\Here\'
)
$HomeFolders = Get-ChildItem $HomeFoldersDirectoryPath -Directory
foreach ($HomeFolder in $HomeFolders) {
    $Path = $HomeFolder.FullName
    $Acl = (Get-Item $Path).GetAccessControl('Access')
    $Username = $HomeFolder.Name
    $Ar = New-Object System.Security.AccessControl.FileSystemAccessRule($Username, 'Modify',                 'ContainerInherit,ObjectInherit', 'None', 'Allow')
    $Acl.SetAccessRule($Ar)
    Set-Acl -path $Path -AclObject $Acl
}

Source: http://www.tomsitpro.com/articles/powershell-manage-file-system-acl,2-837.html