How can I determine whether my machine started in Safe Mode, Safe Mode with Command Prompt, or Safe Mode with Networking?

A. When you start your machine in Safe Mode in Windows 2000 or later Windows OSs, you can select from several options: Safe Mode with Command Prompt, Safe Mode, and Safe Mode with Networking. The OS sets an environment variable called Safeboot_Option when you start a machine in Safe Mode. To examine the status of this variable, enter the following at the command prompt:

   echo %safeboot_option%  

Possible values include