(copy) https://blogs.msdn.microsoft.com/connector_space/2014/10/01/provision-a-home-directory-for-new-accounts/

##Passes Variables from workflow
#Comment out for Manual testing

Param($SamName,$HomeDir,$DriveLet)

if(-not(Get-Module -name ActiveDirectory))
    {
        Import-Module ActiveDirectory
    }
##Set Variables
$Domain =$(Get-ADDomain).name
$DomainDNS = $(Get-ADDomain).DNSRoot
$Spacer=" "

##Uncomment for Manual Testing
#$SamName = "amarsiglia"
#$homedir = "\\Portal\home\"+$samName
#$DriveLet= "H"
###

if ($homedir)
    {
#Create Home Directory
        mkdir $homedir
#Assign Access Rights
        $account=$Domain+"\"+$SamName
        $rights=[System.Security.AccessControl.FileSystemRights]::FullControl
        $inheritance=[System.Security.AccessControl.InheritanceFlags]"ContainerInherit,ObjectInherit"
        $propagation=[System.Security.AccessControl.PropagationFlags]::None
        $allowdeny=[System.Security.AccessControl.AccessControlType]::Allow
        $dirACE=New-Object System.Security.AccessControl.FileSystemAccessRule ($account,$rights,$inheritance,$propagation,$allowdeny)
        $dirACL=Get-Acl $homedir
        $dirACL.AddAccessRule($dirACE)
        Set-Acl $homedir $dirACL
#Assign AD Attributes
Set-ADUser -Identity $SamName -Replace @{homeDirectory=$homedir;homeDrive=$DriveLet} -Confirm:$false
    }
Return "Success"