Function Create-FTPSite
{
Param ($FTPUsername, $LogDir, $FTPQuota, $FTPUserDir)
 
        $FTPUserPath = ($FTPUsername.Split("\")[1])
        New-Item IIS:\Sites\".Default FTP Site"\$FTPUserDir\$FTPUserPath -Type VirtualDirectory -PhysicalPath "$LogDir"
        Add-WebConfiguration -Filter /System.FtpServer/Security/Authorization -Value (@{AccessType="Allow"; Users="$FTPUserPath"; Permissions="Read, Write"}) -PSPath IIS: -Location ".Default FTP Site/$FTPUserDir/$FTPUserPath"
        Clear-WebConfiguration -Filter /System.FtpServer/Security/Authorization -PSPath IIS: -Location ".Default FTP Site/$FTPUserDir"
        DirQuota Quota Add /Path:"$LogDir" /Limit:$FTPQuota
}