Everything works except the Locale settings. All I want is to set the Locale and prepare the drive. Here is my WDSClientUnattend.xml:
<?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><WillShowUI>OnError</WillShowUI></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"><WindowsDeploymentServices><Login><Credentials><Domain>domain</Domain></Credentials></Login><ImageSelection><InstallTo><DiskID>0</DiskID><PartitionID>1</PartitionID></InstallTo></ImageSelection></WindowsDeploymentServices><DiskConfiguration><Disk wcm:action="add"><DiskID>0</DiskID><WillWipeDisk>true</WillWipeDisk><CreatePartitions><CreatePartition wcm:action="add"><Extend>true</Extend><Order>1</Order><Type>Primary</Type><Size>300</Size></CreatePartition></CreatePartitions><ModifyPartitions><ModifyPartition wcm:action="add"><Active>true</Active><Format>NTFS</Format><Label>OS</Label><Letter>C</Letter><Order>1</Order><PartitionID>1</PartitionID></ModifyPartition></ModifyPartitions></Disk></DiskConfiguration></component></settings><cpi:offlineImage cpi:source="wim:c:/winpe_amd64/win7ent_x64/sources/install.wim#Windows 7 ENTERPRISE" xmlns:cpi="urn:schemas-microsoft-com:cpi" /></unattend>