Citrix MetaFrame and ICA Clients Prevent Upgrade to Windows XP Professional (307144)

The information in this article applies to:

Microsoft Windows XP Professional

This article was previously published under Q307144

SYMPTOMS

When you attempt to upgrade to Windows XP Professional on a computer that has Citrix MetaFrame for Windows and Citrix Independent Computing Architecture (ICA) Clients for Windows installed, you may receive the following error message even though Microsoft Windows NT 4.0, Terminal Server Edition, was never installed on the computer:

Windows XP Setup does not support upgrading from Microsoft Windows NT, Terminal Server Edition to Microsoft Windows XP Professional. Setup cannot Continue.

CAUSE

This issue can occur if Citrix ICA Client or MetaFrame software is installed. This software is used to manage and connect to servers that are running Citrix WinFrame or Citrix MetaFrame.

RESOLUTION

To work around this issue, remove the MetaFrame and Citrix client software, and then upgrade to Windows XP. After the upgrade is complete, reinstall the Citrix client.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

MORE INFORMATION

The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.

Modification Type:	Major	Last Reviewed:	1/11/2002
Keywords:	kb3rdparty kberrmsg kbprb kbsetup KB307144