Microsoft KB Archive/253874

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


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


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.


The Safe-mode boot modes and corresponding switches include:

  • Mode: Safe Mode


  • Mode: Safe Mode with Networking


  • Mode: Safe Mode with Command Prompt


  • Mode: Enable Boot Logging

Switch: /BOOTLOG

  • Mode: Enable VGA Mode


  • Mode: Directory Services Restore Mode (Domain Controllers Only)


  • Mode: Debugging Mode

Switch: /DEBUG

Sample Boot.ini File with "Safe Mode with Command Prompt" Switch

[boot loader]
[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

Last Reviewed: November 23, 2000
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