XCON: TP4 Transport Protocol No Longer Supported Under Windows 2000

ID: 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 obtaining support for a Beta release, please see the documentation included with the Beta product files, or check the Web location from which you downloaded the release.

The information in this article applies to:

Microsoft Exchange Server, versions 4.0, 5.0, 5.5

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 this to be a problem in the Microsoft products listed at the beginning of this article.

Additional query words:

Keywords : exc4 exc5 exc55
Version : winnt:4.0,5.0,5.5
Platform : winnt
Issue type : kbbug