Windows2000 system Administrator password loss how to retrieve

Source: Internet
Author: User
Tags administrator password

Recently, many friends have reflected to me that for various reasons, their Win2000 system (or NT, XP system) Administrator password lost, asked me how to retrieve the password. Good friends, I can not help, so the needle different circumstances, respectively, to the corresponding countermeasures, eventually help them find their own password. Leisure time, a little do collation to facilitate this article, the full text of the actual cracking operation for example, detailed about the Windows2000 (NT/XP) system under How to retrieve the missing administrator password. Hope that many Windows2000 (NT/XP) system administrators and the vast number of users to help.

First, the ultimate weapon Windows key

System: Windows2000 Professional [Version 5.00.2195]

Related situation: System administrator account Manager password loss, no other login user account, Sam file can not read or do other operations, no input method vulnerabilities, such as exploitable vulnerabilities.

Required Tools: Windows2000 installation CD (or Windows2000 boot disk), Windows xp-2000-nt Key, an empty floppy disk.

Operation process and related answers:

First, we need to use Windows Xp-2000-nt key to make a special drive disk. Windows Xp-2000-nt key is a tool software specifically designed for Windows password cracking, produced by Passware, USA.

Www.password.com provides the demo version of the software and detailed use instructions, interested friends can not go to a look. Open the software, you can see a line at the bottom of the tip: Please insert a blank floppy disk into drive A:and click NEXT when ready. At this point, the prepared floppy disk is inserted into the floppy disk drive, and the dot next,windows xp-2000-nt Key will automatically be used as a special drive disk. After the drive plate is done, you can proceed to the next step. Use the Windows2000 installation disk (or boot disk, in this case, use the Setup disk) to start the computer to recover the password when prompted press F6 if you need install the party SCSI or RAID driver ... , press F6 and wait for the loading process to see the prompt: To specify addition al SCSI adapters,cd-rom drivers.or Special disk controllers for use with Windows 2000,including those for which your have a device support disk from mass storage The device S, press the S key immediately, then the system will continue to mention Example: Please insert the disk labeled Maufacturer-supplied hardwaresupport disk into driver A: * Press ENTER when ready. Then insert the floppy disk to load the good Windows Xp-2000-nt key driver. Wait a moment, the system will automatically enter the Windows XP-2000-NT key environment. The system will prompt: Set Administrator ' Password to ' 12345 '? (y/n):, type Y, to be displayed:

Password has been reset.

User name is ' Administrator '.

New password is ' 12345 '

At this point, the System Administrator account Administrator password has been changed to 12345. Remove the installation disc and floppy disk, restart the system can use this account login.

PostScript: The above is a case to break the whole process of Windows2000 system administrator password, perhaps some people will say, this does not have the password to crack! Yes, in this case did not do the password to crack, but it is true to do so can save the administrator account, the effect is the same. Moreover, this method can be called is to break the WINDOWS2000/NT/XP administrator password Ultimate method, 100% success rate! And simple operation, easy to learn and easy to use! The only thing that's missing is that this set of Windows NT-2000-XP software is a commercial software that is not available to everyone.

Next, I will lead you to use the second method to crack Windows2000 (NT/XP) system administrator password. Interested friends please continue to look down.

Second, crack sharp weapon LC4 article

LC4 can be described as an antique-grade super password to solve the broken weapon, before the release of LC4 has several known as the l0phtcrack version of the old. This tool enables password snooping from the Sam file, and it's a great idea to get a SAM file.

System: Windows2000 Professional [Version 5.00.2195]

Related situation: System administrator account Manager password loss, no other login user account, no Input method vulnerabilities and other available vulnerabilities, through a variety of means to obtain its Sam file.

Tools Required: LC4, KLC4

Operation process and related answers:

First of all, we need to do is to download this example of the two software required, software download after the need to register to achieve its full functionality. The use of KLC4 is very simple, according to the software prompts can easily obtain the LC4 registration code, here is not a lot of suffix. What we need to do next is just a few simple steps:

Open LC4, and create a new task. Then click Import, Import from SAM file ... Open the Sam file that is being cracked. At this point, LC4 automatically analyzes the file and displays the user name in the file. Then click the Begin Audit in the session to start cracking the password. If the password is not very complex, in a very short period of time will have results.

Of course, LC4 is a powerful software, some of its advanced features allow users to customize the cracking strategy, as well as breakpoints and so on, but it is not covered in this article, the specific use of the method here is not much to tell, interested friends can study for themselves.

However, this approach also has its drawbacks, if the password is more complex, it may take a few days or months or even years, it is clear that in this case this approach is not so effective. At this point we need to change the angle to deal with the problem.

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