Not sure if this will work for you:
Code:
[HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Power\State\Unattended]
"wav1:"=dword:00000000
or
Code:
<wap-provisioningdoc>
<characteristic type="Registry">
<characteristic type="HKLM\System\CurrentControlSet\Control\Power\State\Unattended">
<parm name="wav1:" datatype="integer" value="0" />
</characteristic>
</characteristic>
</wap-provisioningdoc>