I try do sysprep in Windows 8.1 I have create unattend.xml

<settings pass="oobeSystem">
    <component name="Microsoft-Windows-International-Core" 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">
        <InputLocale>en-US</InputLocale>
        <SystemLocale>en-US</SystemLocale>
        <UILanguage>en-US</UILanguage>
        <UILanguageFallback>en-US</UILanguageFallback>
        <UserLocale>en-US</UserLocale>
    </component>
    <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">
        <OEMInformation>
            <Manufacturer>XYZ</Manufacturer>
            <SupportURL>http://www.XYZ.com</SupportURL>
        </OEMInformation>
        <OOBE>
            <HideEULAPage>true</HideEULAPage>
            <NetworkLocation>Work</NetworkLocation>
            <ProtectYourPC>1</ProtectYourPC>
        </OOBE>
        <UserAccounts>
            <AdministratorPassword>
                <Value>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</Value>
                <PlainText>false</PlainText>
            </AdministratorPassword>
            <LocalAccounts>
                <LocalAccount wcm:action="add">
                    <Password>
                        <Value>XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</Value>
                        <PlainText>false</PlainText>
                    </Password>
                    <Description>Admin</Description>
                    <DisplayName>Admin</DisplayName>
                    <Group>Administrators</Group>
                    <Name>Admin</Name>
                </LocalAccount>
            </LocalAccounts>
        </UserAccounts>
        <WindowsFeatures>
            <ShowWindowsMediaPlayer>false</ShowWindowsMediaPlayer>
            <ShowMediaCenter>false</ShowMediaCenter>
        </WindowsFeatures>
        <RegisteredOrganization>XXXXXXXXXXXXXXXXXXXXX</RegisteredOrganization>
        <RegisteredOwner>XXXXXXXXXXXXXXXXXXXXXXX</RegisteredOwner>
        <TimeZone>Central European Standard Time</TimeZone>
        <ShowWindowsLive>false</ShowWindowsLive>
    </component>
</settings>
<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">
        <RegisteredOrganization>XXXXXXXXXXXXXXXXXXXXXXXXX</RegisteredOrganization>
        <RegisteredOwner>XXXXXXXXXXXXXXXXXXXXXXXXXX</RegisteredOwner>
        <ProductKey>XXXXXXXXXXXXXXXXXXXXXXXXXXXXX</ProductKey>
    </component>
</settings>

And then I run

sysprep.exe /oobe /generalize /shutdown

I see this error:

fatal error occurred while trying to sysprep the machine