I have created my own AIO image with x86 and x64 releases. I have added the HKLM modifications to be set from SetupComplete.cmd which work fine. For the user prefs (HKCU), I extracted the ntuser.dat from the users\default folder in the install.wim and made the changes I wanted in it, then imported it back in. Everything works great, except setting the sound theme. It's as if I haven't made any changes to that area of the registry at all. Yet when I load the ntuser.dat offline to verify, the changes are indeed there. If I take the registry changes and manually import them in the Windows install (e.g. double click the .reg file), it works and the sound theme is set to No Sounds. So basically, everything works as expected except for the fact that I can't seam to make this stick in the DVD image I created. What am I missing? Here is the registry info in case it helps: Code: Windows Registry Editor Version 5.00 ;Sets the default sound theme to No Sounds [HKEY_CURRENT_USER\AppEvents\Schemes] @=".None" [HKEY_CURRENT_USER\AppEvents\Schemes\Names\.None] @="No Sounds" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\.Default\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\AppGPFault\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\Close\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\CriticalBatteryAlarm\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\DeviceConnect\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\DeviceDisconnect\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\DeviceFail\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\FaxBeep\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\LowBatteryAlarm\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\MailBeep\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\Maximize\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\MenuCommand\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\MenuPopup\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\Minimize\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\Open\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\PrintComplete\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\RestoreDown\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\RestoreUp\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\ShowBand\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemAsterisk\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemExclamation\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemExit\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemHand\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemNotification\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\SystemQuestion\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\ChangeTheme\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\WindowsLogon\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\WindowsLogoff\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\.Default\WindowsUAC\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\ActivatingDocument\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\BlockedPopup\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\EmptyRecycleBin\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\FaxError\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\FaxLineRings\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\FaxSent\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\FeedDiscovered\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\MoveMenuItem\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\Navigating\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\SearchProviderDiscovered\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\Explorer\SecurityBand\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\iTunes\iTunes_Complete\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\iTunes\iTunes_PageLoadComplete\.Current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\DisNumbersSound\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\HubOffSound\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\HubOnSound\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\HubSleepSound\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\MisrecoSound\.current] @="" [HKEY_CURRENT_USER\AppEvents\Schemes\Apps\sapisvr\PanelSound\.current] @=""