"Windows Cannot Parse The Unattend Answer File's setting."

Hi,

I am installing Windows 2012 on an IBM x3650 with an autounattend.xml file. I have built the disk configuration based on a the results of a previous manual install, and the article "Create UEFI-based Hard-Disk Partitions by Using Windows SIM" (http://technet.microsoft.com/en-us/library/dd744271%28v=ws.10%29.aspx). The XML file reports no errors in WSIM, but after booting from DVD, files are copied, then the above error occurs. Here is my config:

             <DiskConfiguration>
               <Disk wcm:action="add">
                    <DiskID>0</DiskID>
                    <WillWipeDisk>true</WillWipeDisk>
                    <CreatePartitions>
                        <!-- WinRE tools partition -->
                        <CreatePartition wcm:action="add">
                            <Order>1</Order>
                            <Type>Primary</Type>
                            <Size>300</Size>
                        </CreatePartition>
                        <!-- EFI system partition (ESP) -->
                        <CreatePartition wcm:action="add">
                            <Order>2</Order>
                            <Type>EFI</Type>
                            <Size>100</Size>
                        </CreatePartition>
                        <!-- Microsoft reserved partition (MSR) -->
                        <CreatePartition wcm:action="add">
                            <Order>3</Order>
                            <Type>MSR</Type>
                            <Size>128</Size>
                        </CreatePartition>
                        <!-- Windows partition -->
                        <CreatePartition wcm:action="add">
                            <Order>4</Order>
                            <Type>Primary</Type>
                            <Size>81920</Size>
                            <Extend>false</Extend>
                        </CreatePartition>
                        <!-- Recovery image partition -->
                        <CreatePartition wcm:action="add">
                            <Order>5</Order>
                            <Type>Primary</Type>
                            <Extend>true</Extend>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <!-- WinRE tools partition -->
                        <ModifyPartition wcm:action="add">
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                            <Label>Recovery</Label>
                            <Format>NTFS</Format>
                            <TypeID>de94bba4-06d1-4d40-a16a-bfd50179d6ac</TypeID>
                        </ModifyPartition>
                        <!-- EFI system partition (ESP) -->
                        <ModifyPartition wcm:action="add">
                            <Order>2</Order>
                            <PartitionID>2</PartitionID>
                            <Label>System</Label>
                            <Format>FAT32</Format>
                        </ModifyPartition>
                        <!-- MSR partition does not need to be modified -->
                        <!-- Windows partition -->
                        <ModifyPartition wcm:action="add">
                            <Order>4</Order>
                            <PartitionID>4</PartitionID>
                            <Label>Windows</Label>
                            <Letter>C</Letter>
                            <Format>NTFS</Format>
                        </ModifyPartition>
                        <!-- Recovery image partition -->
                        <ModifyPartition wcm:action="add">
                            <Order>5</Order>
                            <PartitionID>5</PartitionID>
                            <Label>Data</Label>
                            <Format>NTFS</Format>
                            <TypeID></TypeID>
                            <Extend>true</Extend>
                            <Letter>D</Letter>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Order>3</Order>
                            <PartitionID>3</PartitionID>
                        </ModifyPartition>
                    </ModifyPartitions>
                </Disk>
                <WillShowUI>OnError</WillShowUI>
            </DiskConfiguration>

Any thoughts appreciated!