I've searched around for an answer to this, but can't seem to resolve my issue. I am trying to do an unattended install of Windows 7 Pro (x64) via WDS from a Windows 2008 Server. I have made sure the unattend file is in the <share>\WdsclientUNattend folder. Ran through the SIM to verify there were no errors inthe unattend.xml file and it STILL comes up with this error "Windows cannot parse the unattend answer file's <DiskConfiguration> setting." I am trying to put this on a Dell Optiplex 760 with a single 80GB SATA HDD with 1 single partition. Initially the drive has 3 partitions, which in theory should be wiped with the WillWipeDisk command. Below is my unattend file. Any help would be appreciated. <?xml version="1.0" encoding="utf-8"?> <unattend xmlns="urn:schemas-microsoft-com:unattend"> <settings pass="windowsPE"> <component name="Microsoft-Windows-International-Core-WinPE" 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"> <SetupUILanguage> <UILanguage>en-US</UILanguage> </SetupUILanguage> <InputLocale>en-US</InputLocale> <SystemLocale>en-US</SystemLocale> <UILanguage>en-US</UILanguage> <UserLocale>en-US</UserLocale> </component> <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"> <ModifyPartitions> <ModifyPartition wcm:action="add"> <Active>true</Active> <Extend>false</Extend> <Format>NTFS</Format> <Label>OS</Label> <Letter>C</Letter> <Order>1</Order> <PartitionID>1</PartitionID> <TypeID>Primary</TypeID> </ModifyPartition> </ModifyPartitions> <CreatePartitions> <CreatePartition wcm:action="add"> <Order>1</Order> <Size>80000</Size> <Type>Primary</Type> </CreatePartition> </CreatePartitions> <DiskID>0</DiskID> <WillWipeDisk>true</WillWipeDisk> </Disk> </DiskConfiguration> </component> </settings> <cpi:offlineImage cpi:source="wim:c:/image/test.wim#Windows 7 x64 (Dell Optiplex 760)" xmlns:cpi="urn:schemas-microsoft-com:cpi" /> </unattend>

Hi, Windows 7 requires a 100 MB System Reserved partition. I suggest trying below: <DiskConfiguration> <WillShowUI>OnError</WillShowUI> <Disk> <DiskID>0</DiskID> <WillWipeDisk>true</WillWipeDisk> <CreatePartitions> <CreatePartition> <!-- Create the system partition --> <Order>1</Order> <Type>Primary</Type> <Size>100</Size> </CreatePartition> <!-- Create the Windows partition --> <CreatePartition> <Order>2</Order> <Type>Primary</Type> <Size>80000</Size> </CreatePartition> </CreatePartitions> <ModifyPartitions> <!-- Modify the system partition --> <ModifyPartition> <Order>1</Order> <PartitionID>1</PartitionID> <Format>NTFS</Format> <Label>System</Label> <Active>true</Active> </ModifyPartition> <!-- Modify the Windows partition --> <ModifyPartition> <Order>2</Order> <PartitionID>2</PartitionID> <Format>NTFS</Format> <Label>Windows</Label> <Letter>C</Letter> </ModifyPartition> </ModifyPartitions> </Disk> </DiskConfiguration> Hope it helps. Tim Quan - MSFT

Hi, How are things going? I have not heard back from you in a few days and wanted to check on the status of the issue. Please let me know how things turned out. Tim Quan - MSFT

Hi Tim Quan! I tried your solution and it seems to be working good! thanx a lot for your help!

HI Tim Quan, I also faced same problem while installing amd X64bit win7 from Windows 2008R2 server(WDS).Can you help me in fixing this issue. <DiskConfiguration> <WillShowUI>OnError</WillShowUI> <Disk> <DiskID>0</DiskID> <WillWipeDisk>true</WillWipeDisk> <CreatePartitions> <CreatePartition> <!-- Create the system partition --> <Order>1</Order> <Type>Primary</Type> <Size>512</Size> </CreatePartition> <!-- Create the Windows partition --> <CreatePartition> <Order>2</Order> <Type>Primary</Type> <Size>80000</Size> </CreatePartition> </CreatePartitions> <ModifyPartitions> <!-- Modify the system partition --> <ModifyPartition> <Order>1</Order> <PartitionID>1</PartitionID> <Format>NTFS</Format> <Label>System</Label> <Active>true</Active> </ModifyPartition> <!-- Modify the Windows partition --> <ModifyPartition> <Order>2</Order> <PartitionID>2</PartitionID> <Format>NTFS</Format> <Label>Windows_OS</Label> <Letter>C</Letter> </ModifyPartition> </ModifyPartitions> </Disk> </DiskConfiguration>

Windows 7 requires a 100 MB System Reserved partition. Follow the Tim Suggestion said above. <DiskConfiguration> <WillShowUI>OnError</WillShowUI> <Disk> <DiskID>0</DiskID> <WillWipeDisk>true</WillWipeDisk> <CreatePartitions> <CreatePartition> <!-- Create the system partition --> <Order>1</Order> <Type>Primary</Type> <Size>100</Size> </CreatePartition> <!-- Create the Windows partition --> <CreatePartition> <Order>2</Order> <Type>Primary</Type> <Size>80000</Size> </CreatePartition> </CreatePartitions> <ModifyPartitions> <!-- Modify the system partition --> <ModifyPartition> <Order>1</Order> <PartitionID>1</PartitionID> <Format>NTFS</Format> <Label>System</Label> <Active>true</Active> </ModifyPartition> <!-- Modify the Windows partition --> <ModifyPartition> <Order>2</Order> <PartitionID>2</PartitionID> <Format>NTFS</Format> <Label>Windows</Label> <Letter>C</Letter> </ModifyPartition> </ModifyPartitions> </Disk> </DiskConfiguration> Thanks