This article was previously published under Q289730
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After you install the Microsoft Small Business Server (SBS) 4.5 modem-sharing client on a Microsoft Windows NT 4.0-based computer and then upgrade the computer to Windows 2000, you can no longer remove the modem-sharing component.
This behavior occurs because two .inf files (Netmshr.inf and Netsrdr.inf) that are used in the upgrade process contain incorrect settings.
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 theMicrosoft Knowledge Base:
260910 How to Obtain the Latest Windows 2000 Service Pack
Microsoft has confirmed that this is a problem in Microsoft Windows 2000.
This problem was first corrected in Windows 2000 Service Pack 2.