ひな形。

unattend.xml

<?xml version="1.0" encoding="utf-8"?>
<unattend xmlns="urn:schemas-microsoft-com:unattend" xmlns:wcm="http://schemas.microsoft.com/WMIConfig/2002/State" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <settings pass="offlineServicing">
    <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
      <ComputerName>NanoServer</ComputerName>
    </component>
  </settings>
  <settings pass="oobeSystem">
    <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
      <UserAccounts>
        <AdministratorPassword>
          <Value>Tuva</Value>
          <PlainText>true</PlainText>
        </AdministratorPassword>
      </UserAccounts>
      <TimeZone>Pacific Standard Time</TimeZone>
    </component>
  </settings>
  <settings pass="specialize">
    <component name="Microsoft-Windows-Shell-Setup" processorArchitecture="amd64" publicKeyToken="31bf3856ad364e35" language="neutral" versionScope="nonSxS">
      <RegisteredOwner>My Team</RegisteredOwner>
      <RegisteredOrganization>My Corporation</RegisteredOrganization>
    </component>
  </settings>
</unattend>