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I was wondering if it would possible to set up Windows XP to automatically login a user after reboot?

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up vote 19 down vote accepted
  1. Click Start, and then click Run.

  2. In the Open box, type control userpasswords2, and then click OK.

  3. Clear the "Users must enter a user name and password to use this computer" check box, and then click Apply.

  4. In the Automatically Log On window, type the password in the Password box, and then retype the password in the Confirm Password box.

  5. Click OK to close the Automatically Log On window, and then click OK to close the User Accounts window.

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+1: I thought it worth mentioning that this works for Vista also. Thanks Molly :) – Binary Worrier May 17 '10 at 19:58
In addition to this, you can download the free tool called Auto Logon & Lock which automatically locks the screen while loading everything in the background. Very clever and it works... – Kez Apr 24 '11 at 10:21

An alternative to Molly's solution would be to use TweakUI, part of Microsoft's PowerToys for Windows XP.

(TweakUI) gives you access to system settings that are not exposed in the Windows XP default user interface, including mouse settings, Explorer settings, taskbar settings, and more.

The reason I mention it is that not only can you enable automatic login, but the tool exposes a wealth of other system options which can easily be changed with the GUI. I think it's an important tool that all power users should at least consider downloading and looking at once...

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+1, because on my system, part of a company domain, the step-by-step solution given by Molly did not expose the settings outlined in step 3, but TweakUI worked – mark Oct 6 '09 at 15:35

There is also a program that lets you adjust autologin called TweakNow Winsecret 2011

It allows you to adjust your settings and autologin without using alot of resources.

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