sov44, пользуйтесь WSIM'ом для редактирования файла ответов и не будет подобных проблем. Если накидать ваши параметры в WSIM'е, то получится:
Код:

<settings pass="specialize">
<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">
<Themes>
<WindowColor>Sky</WindowColor>
</Themes>
<ComputerName>MICROSOFT-PC</ComputerName>
</component>
<component name="Microsoft-Windows-UnattendedJoin" 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">
<Identification>
<JoinWorkgroup>MSHOME</JoinWorkgroup>
</Identification>
</component>
<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>