Partition disk not works

HI

Using WAIK, I created the autounattend.xml file by putting it on a DVD of Vista Ultimate SP1 64 bit.

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend">
	<settings pass="windowsPE">
		<component name="Microsoft-Windows-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="NonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
			<DiskConfiguration>
				<Disk wcm:action="add">
					<CreatePartitions>
						<CreatePartition wcm:action="add">
							<Order>1</Order>
							<Type>Primary</Type>
							<Size>24000</Size>
							<Extend>false</Extend>
						</CreatePartition>
						<CreatePartition wcm:action="add">
							<Order>2</Order>
							<Type>Primary</Type>
							<Extend>true</Extend>
						</CreatePartition>
					</CreatePartitions>
					<ModifyPartitions>
						<ModifyPartition wcm:action="add">
							<Active>true</Active>
							<Letter>C</Letter>
							<Order>1</Order>
							<PartitionID>1</PartitionID>
							<Format>NTFS</Format>
							<Extend>false</Extend>
							<Label>Windows_Vista_SP1_64_bit</Label>
						</ModifyPartition>
						<ModifyPartition wcm:action="add">
							<Active>false</Active>
							<Letter>D</Letter>
							<Order>2</Order>
							<PartitionID>2</PartitionID>
							<Extend>true</Extend>
							<Format>NTFS</Format>
							<Label>Data</Label>
						</ModifyPartition>
					</ModifyPartitions>
					<DiskID>0</DiskID>
					<WillWipeDisk>true</WillWipeDisk>
				</Disk>
				<WillShowUI>Always</WillShowUI>
			</DiskConfiguration>
			<UserData>
				<AcceptEula>true</AcceptEula>
			</UserData>
		</component>
	</settings>
	<settings pass="oobeSystem">
		<component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="NonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
			<FolderLocations>
				<ProfilesDirectory>D:\Users</ProfilesDirectory>
			</FolderLocations>
		</component>
	</settings>
	<settings pass="specialize">
		<component name="Microsoft-Windows-Security-Licensing-SLC-UX" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="NonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
			<SkipAutoActivation>true</SkipAutoActivation>
		</component>
	</settings>
	<settings pass="generalize">
		<component name="Microsoft-Windows-Security-Licensing-SLC" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
			<SkipRearm>0</SkipRearm>
		</component>
	</settings>
	<cpi:offlineImage cpi:source="wim:c:/users/public/documents/vista_sp1_64_bit/sources/install.wim#Windows Vista ULTIMATE" xmlns:cpi="urn:schemas-microsoft-com:cpi" />
</unattend>

When, however, I do the boot from the DVD, Vista does not erase the disk and does not create the two partitions indicated by my file. Why?

THANKS

BYE

Edited January 26, 200917 yr by balubeto