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Encyclopedia > Recovery Console
The Windows 2000 Recovery Console selection, login, and command prompts.
The Windows 2000 Recovery Console selection, login, and command prompts.

The Recovery Console is a feature of the Windows 2000, Windows XP and Windows Server 2003 operating systems. It provides the means for administrators to perform a limited range of tasks using a command line interface. Its primary function is to enable administrators to recover from situations where Windows does not boot as far as presenting its graphical user interface. Image File history File links Windows_2000_Recovery_Console. ... Image File history File links Windows_2000_Recovery_Console. ... Windows 2000 (also referred to as Win2K) is a preemptive, interruptible, graphical and business-oriented operating system that was designed to work with either uniprocessor or symmetric multi-processor 32-bit Intel x86 computers. ... Windows XP is a line of operating systems developed by Microsoft for use on general-purpose computer systems, including home and business desktops, notebook computers, and media centers. ... Windows Server 2003 is a server operating system produced by Microsoft. ... This article or section does not adequately cite its references or sources. ... In computing, booting (booting up) is a bootstrapping process that starts operating systems when the user turns on a computer system. ... “GUI” redirects here. ...

Contents

How to invoke the recovery console

The recovery console may be entered in one of two ways:

  • From the operating system installation CD-ROM
  • Via the boot-time menu presented by NTLDR

The CD-ROM (an abbreviation for Compact Disc Read-Only Memory (ROM)) is a non-volatile optical data storage medium using the same physical format as audio compact discs, readable by a computer with a CD-ROM drive. ... -1...

Invoking the recovery console from the installation CD-ROM

The recovery console is always available from the operating system installation CD-ROM. To invoke it, an administrator simply boots the computer from the CD-ROM. From the operating system setup utility, Windows 2000 users have to select two menu options ("To repair a Windows 2000 installation, press R." and then "To repair a Windows 2000 installation by using the recovery console, press C.") whereas Windows XP users have to select just one ("To repair a Windows XP installation using recovery console, press R.")


Invoking the recovery console from the NTLDR menu

The recovery console can also be configured as an option on the boot-time menu that is presented by NTLDR. This is not included by default when the operating system is first installed. Instead, administrators have to run the winnt32 utility with the /cmdcons switch, which adds the recovery console to the NTLDR menu, ready for when the machine is next bootstrapped.


This requires that the system is not damaged to the extent that the Windows NT Startup Process cannot even reach the point of running NTLDR. The Windows NT Startup Process is the process by which Microsofts Windows NT, Windows 2000, Windows XP and Windows Server 2003 operating systems initialize. ...


Tasks that can be performed via the recovery console

The recovery console has a simple command line interpreter. Many of the available commands closely resemble the command line commands that are normally available on Windows, namely attrib, copy, del, and so forth. (However, they are not identical. The normal Windows commands are Win32 programs, which are incapable of running in the environment that the Recovery Console executes in, where no Win32 subsystem is present.) It has been suggested that this article or section be merged into Command line interface. ...


From the recovery console an administrator can:

  • create and remove directories, and copy, erase, display, and rename files
  • enable and disable services (which modifies the service control database in the registry, to take effect when the system is next bootstrapped)
  • write a new Master Boot Record to a disc, using the fixmbr command
  • write a new Volume Boot Record to a volume, using the fixboot command
  • format volumes
  • expand files from the compressed format in which they are stored on the installation CD-ROM
  • perform a full CHKDSK scan to repair corrupted disks and files, especially if the computer cannot be started properly

Filesystem access on the recovery console is by default severely limited. An administrator using the recovery console has only read-only access to all volumes except for the boot volume, and even on the boot volume only access to the root directory and to the Windows system directory (e.g. WINNT). This can be changed by changing Security Policies to enable read/write access to the complete file system including copying files from removable media (i.e. floppy drives). A Master Boot Record (MBR), or partition sector, is the 512-byte boot sector that is the first sector (Sector 0) of a partitioned data storage device such as a hard disk. ... A Volume Boot Record (also known as a volume boot sector or a partition boot sector, although the latter is not strictly correct) is a type of boot sector, stored in a disc volume on a hard disc, floppy disc, or similar data storage device, that contains code for bootstrapping... This article needs additional references or sources for verification. ... It has been suggested that this article or section be merged into Booting. ...


See also

  • Emergency Repair Disk

A specially formated non-bootable floppy disk made by the Recovery Console in newer Windows versions that contains information about your basic system configuration. ...

References


 
 

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