Microsoft KB Archive/253874

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Safe-Mode Boot Switches for Windows 2000 Boot.ini File

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Q253874

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The information in this article applies to:


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Datacenter Server
 * Microsoft Windows 2000 Professional
 * Microsoft Windows 2000 Server

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SUMMARY
Windows 2000 includes a Safe-mode boot feature. To use this feature, press F8 during boot and then choose the Safe-mode boot mode you want to use. There are also switches that you can use to make any of these modes available in the Boot.ini file. You may want to do this if you frequently use one of these boot modes or you need to automate a process.

MORE INFORMATION
The Safe-mode boot modes and corresponding switches include:


 * Mode: Safe Mode

Switch: /SAFEBOOT:MINIMAL /SOS /BOOTLOG /NOGUIBOOT
 * Mode: Safe Mode with Networking

Switch: /SAFEBOOT:NETWORK /SOS /BOOTLOG /NOGUIBOOT
 * Mode: Safe Mode with Command Prompt

Switch: /SAFEBOOT:MINIMAL(ALTERNATESHELL) /SOS /BOOTLOG /NOGUIBOOT
 * Mode: Enable Boot Logging

Switch: /BOOTLOG
 * Mode: Enable VGA Mode

Switch: /BASEVIDEO
 * Mode: Directory Services Restore Mode (Domain Controllers Only)

Switch: /SAFEBOOT:DSREPAIR /SOS
 * Mode: Debugging Mode

Switch: /DEBUG

Sample Boot.ini File with "Safe Mode with Command Prompt" Switch
[boot loader] timeout=30 default=multi(0)disk(0)rdisk(0)partition(1)\WINNT [operating systems] multi(0)disk(0)rdisk(0)partition(1)\WINNT="Microsoft Windows 2000 Advanced Server" /fastdetect /SAFEBOOT:MINIMAL(ALTERNATESHELL) NOTE: The /SOS /BOOTLOG /NOGUIBOOT switches are not required with any of the above settings, but they are useful to help with troubleshooting. These switches are included if you press F8 and choose one of the modes.

Additional query words: safemode safeboot

Keywords : kbenv KBW2KHOME

Issue type : kbinfo

Technology : kbwin2000AdvServ kbwin2000AdvServSearch kbwin2000DataServ kbwin2000DataServSearch kbwin2000Serv kbwin2000ServSearch kbwin2000Search kbwin2000ProSearch kbwin2000Pro kbWinAdvServSearch kbWinDataServSearch