Article ID: 270070 - View products that this article applies to.
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When you upgrade a system running Windows NT 4.0 Terminal Server to Windows 2000, you may receive the following error message after you enter the alphanumeric product key:
This error message occurs even though you do not have any (unsupported) HPFS volumes on the system.
Windows 2000 is installed on a drive formatted with the OS/2 File System (HPFS). Windows 2000 does not support this file system. You must convert this drive to the Windows 2000 File System (NTFS) before upgrading
The Homedrive environment variable contains a lowercase drive letter instead of an uppercase drive letter. Type set at the command prompt to view this environment variable.
To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
260910You can avoid this behavior using either of two methods:
(https://support.microsoft.com/kb/260910/EN-US/ )How to Obtain the Latest Windows 2000 Service Pack
Using the Windows InterfaceTo change the Homedrive environment variable from a lowercase drive letter c: to an uppercase drive letter C:, follow these steps:
Using a Command LineWindows 2000 Setup does not use the Homedrive environment variable when the Terminal Server is in Install mode.
To switch the Windows NT Terminal Server to Install mode before you start the Windows 2000 Setup program, follow these steps:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 2.
Article ID: 270070 - Last Review: October 21, 2013 - Revision: 3.2