Microsoft KB Archive/242157

= XCON: TP4 Transport Protocol No Longer Supported Under Windows 2000 =

Article ID: 242157

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

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This article was previously published under Q242157



This article discusses a Beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.

No formal product support is available from Microsoft for this Beta product. For information about how to obtain support for a Beta release, see the documentation that is included with the Beta product files, or check the Web location from which you downloaded the release.





SYMPTOMS
When you attempt to upgrade an Exchange Server computer with the TP4 transport protocol from Windows NT 4.0 to Windows 2000, the upgrade does not work and you receive the following error message:

The currently installed driver for the TP4 protocol is not compatible with Microsoft Windows 2000 and will be disabled during the upgrade.

The upgrade, however, does not continue until the protocol is removed.



CAUSE
The TP4 protocol is no longer supported under Windows 2000.



WORKAROUND
Any Exchange Server computers using the TP4 protocol must remain at Windows NT 4.0.



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

Keywords: kbbug kbnofix KB242157

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