WDS Dell XPS L1322x

I am trying to get a Dell XPS 13 with SSD hard disk, UEFI, Intel Rapid Start to run on WDS. I am able to roll out without an unattended XML. Disk partitioning and adding to the AD domain has to be done manually. It should be possible to a do an unattended installation with automatically partitioning and adding to our domain. I tried this but it fails on partitioning the hard disk.

I added the disk partitioning part from the XML. Does anyone know what I am doing wrong?

Thanks! Wouter

 <DiskConfiguration>
   <WillShowUI>OnError</WillShowUI>
   <Disk>
      <DiskID>0</DiskID>
      <WillWipeDisk>true</WillWipeDisk>
      <CreatePartitions>
<!-- Create the EFI partition -->
      <CreatePartition>
            <Order>1</Order>
            <Type>EFI</Type>
            <Size>100</Size>
         </CreatePartition>
<!-- Create the Recovery partition -->
         <CreatePartition>
            <Order>2</Order>
            <Type>Primary</Type>
            <Size>200</Size>
         </CreatePartition>
<!-- Create the MSR partition -->
         <CreatePartition>
            <Order>3</Order>
            <Type>MSR</Type>
            <Size>128</Size>
         </CreatePartition>
<!-- Create the Windows partition and fill the rest of the hard disk -->
         <CreatePartition>
            <Order>4</Order>
            <Type>Primary</Type>
            <Extend>true</Extend>
         </CreatePartition>
      </CreatePartitions>
      <ModifyPartitions>
<!-- Modify the system partition -->
         <ModifyPartition>
            <Order>1</Order>
            <PartitionID>1</PartitionID>
     <!-- <Active>true</Active> -->
            <Format>FAT32</Format>
            <Label>System</Label>
         </ModifyPartition>
<!-- Modify the recovery partition -->
         <ModifyPartition>
            <Order>2</Order>
            <PartitionID>2</PartitionID>
            <Format>NTFS</Format>
            <Label>Recovery</Label>
            <TypeID>e3c9e316-0b5c-4db8-817d-f92df00215ae</TypeID>
         </ModifyPartition>
<!-- The MSR partition does not need to be modified -->
<!-- Modify the Windows partition -->
         <ModifyPartition>
            <Order>4</Order>
            <PartitionID>4</PartitionID>
            <Format>NTFS</Format>
            <Label>Windows</Label>
         </ModifyPartition>
      </ModifyPartitions>
   </Disk>
</DiskConfiguration>