Device and Service Related Windows Registry Keys

Device and Service Related Windows Registry Keys

Windows NT Devices and Services

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services]

Subkeys contain devices and services!

Stop “One or more devices failed to initialize” message at startup.

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Windows] Disabled “NoPopupsOnBoot”=dword:00000000

Enabled “NoPopupsOnBoot”=dword:00000001

Changing startup mode of services

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services] Automatic “Start”=dword:00000002 Manual “Start”=dword:00000003

Disabled “Start”=dword:00000004

System Environment Variables

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment]

All local system environment variables!

Changing how Dr. Watson works

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AeDebug] Message “Auto”=dword:00000000

Debugger & message “Auto”=dword:00000001

Delete the AeDebug subkey from the registry to disable Dr. Watson.

To re-enable, type “drwtsn32 -i”

Using non-Unimodem modems with Windows NT

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RAS\PROTOCOLS] Disabled “EnableUnimodem”=dword:00000000

Enabled “EnableUnimodem”=dword:00000001