WAIK Unattend DiskConfiguration Issues

I am trying to create an unattend file on an image uploaded to a WDS server.  For some reason even though I specify to create 2 partitions on Disk 0 in the unattend answer file, it is creating a single partition on Disk 0 and 2 partitions on Disk 1. Disk 0 is a fixed size of 60GB.  I am allocating 100MB to the System Reserved partition and 59800MB to the Windows OS partition.  

 If you notice that the partitions on Disk 1 are offline this is because I have a SCSI emulated drive on a Hyper-V server.  This should not be a problem since I am trying to install the operating system on the IDE emulated Disk 0.

            <DiskConfiguration>
                <WillShowUI>OnError</WillShowUI>
                <Disk wcm:action="add">
                    <DiskID>0</DiskID>
                    <WillWipeDisk>true</WillWipeDisk>
                    <CreatePartitions>
                        <CreatePartition wcm:action="add">
                            <Order>1</Order>
                            <Type>Primary</Type>
                            <Size>100</Size>
                        </CreatePartition>
                        <CreatePartition wcm:action="add">
                            <Order>2</Order>
                            <Type>Primary</Type>
                            <Size>59900</Size>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <ModifyPartition wcm:action="add">
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                            <Active>true</Active>
                            <Format>NTFS</Format>
                            <Label>System Reserved</Label>
                        </ModifyPartition>
                        <ModifyPartition wcm:action="add">
                            <Order>2</Order>
                            <PartitionID>2</PartitionID>
                            <Format>NTFS</Format>
                            <Label>OS</Label>
                            <Letter>C</Letter>
                        </ModifyPartition>
                    </ModifyPartitions>
                </Disk>
                <Disk wcm:action="add">
                    <DiskID>1</DiskID>
                    <WillWipeDisk>true</WillWipeDisk>
                    <CreatePartitions>
                        <CreatePartition wcm:action="add">
                            <Extend>true</Extend>
                            <Order>1</Order>
                            <Type>Primary</Type>
                        </CreatePartition>
                    </CreatePartitions>
                    <ModifyPartitions>
                        <ModifyPartition wcm:action="add">
                            <Order>1</Order>
                            <PartitionID>1</PartitionID>
                            <Format>NTFS</Format>
                            <Label>DATA</Label>
                            <Letter>D</Letter>
                        </ModifyPartition>
                    </ModifyPartitions>
                </Disk>
            </DiskConfiguration>
            <ImageInstall>
                <OSImage>
                    <InstallTo>
                        <DiskID>0</DiskID>
                        <PartitionID>2</PartitionID>
                    </InstallTo>
                </OSImage>
            </ImageInstall>

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