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Last Updated December 10, 2003

Installing XP
  Install Basics
  Boot Disks
  Dual Booting
  Unattended Install
  Known Setup Issues
  Win9x Upgrade Issues
  WinNT/2000 Upgrade







Windows 2000 to Windows XP Upgrade Issues

Although Microsoft support a direct upgrade to Windows XP from Windows 2000 or NT 4.0, the process has a few bugs of its own (but not as many as an upgrade from Win9x) If you can, try to install Windows XP as a fresh install instead of an upgrade. But if you really need to retain all of your application settings, here's what to look out for in the upgrade process.

Where to Start
Cdplayer.exe Still Present but Does Not Work Correctly After Upgrade from Windows 98 or Windows 2000 
Microsoft Knowledge Base Article: 304798 - After you upgrade your computer from Microsoft Windows 98 or Microsoft Windows 2000 to Windows XP, the existing CD Player program (Cdplayer.exe) remains, and a clean installation of Windows XP does not install any new version of Cdplayer.exe

Passwords Are Unexpectedly Assigned to User Accounts After You Upgrade to Windows XP Microsoft Knowledge Base Article: 318026 - When you upgrade or install Microsoft Windows XP, passwords may be assigned to user accounts that previously had no password or you did not assign passwords to any user accounts during the installation process. As a result, you cannot log on to the computer.

"Setup Unable to Gain Access to Your Existing Boot Configuration File" Error Message During Upgrade 
Microsoft Knowledge Base Article: 297924 - When you are upgrading a computer to Windows XP from Microsoft Windows NT 4.0 or Microsoft Windows 2000, you may receive the following error message:

Stop Error When You Upgrade from Windows 2000: Bad_Pool_Caller 0xC2 
Microsoft Knowledge Base Article: 310527- When you attempt to upgrade your Compaq Professional Workstation AP550 from Microsoft Windows 2000 Professional to Windows XP, you may receive the following Stop error message:

"STOP: 0x1000008E In EMUPIA2K.SYS" Blue-Screen Error Message Appears After Upgrade from Windows 2000 
Microsoft Knowledge Base Article: 310740 - On a computer that has a Creative Technology Audigy sound card installed, you may receive the following error message on a blue screen after you upgrade the computer from Microsoft Windows 2000 to Windows XP:

"STOP 0x000000ED UNMOUNTABLE_BOOT_VOLUME" Error Message During Windows XP Upgrade 
Microsoft Knowledge Base Article: 297185 - When you first restart your computer during the upgrade to Windows XP or when you start Windows XP, you may receive the following error message :

NT 4.0 Upgrade
Windows Upgrade Advisor Quits Abruptly During System Compatibility Check and No Report Appears 
Microsoft Knowledge Base Article: 305883 - While you are upgrading your computer from Microsoft Windows NT Workstation 4.0 to Windows XP Professional, when you click Check System Compatibility , the Windows Upgrade Advisor may quit abruptly. You do not receive any report about system compatibility, and you also do not receive any notification that Windows NT 4.0 Service Pack 5 is required, even if no service packs are currently installed.

You Receive a "Windows Setup Cannot Continue Without Service Pack 5 or Greater Installed" While Upgrading to Windows XP 
Microsoft Knowledge Base Article: 311775 - While you are upgrading from Microsoft Windows NT 4.0 Workstation to Windows XP Professional, you may receive the following error message. If you receive this error message, the upgrade process quits:


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