Microsoft KB Archive/240299

= Unattended Encryption Setup Problem Adds Event Log Entry in SP6 =

Article ID: 240299

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 4.0 Enterprise Edition

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This article was previously published under Q240299



SYMPTOMS
When you install the 56-bit version of Windows NT 4.0 Service Pack 6 (SP6) on a computer that already has 128-bit security installed, the following error message appears:

Service Pack Setup Error

You have chosen to install a version of the Service Pack with Standard Encryption onto a system with High Encryption. This is not supported.

To successfully install this version of the Service Pack, you must install the High Encryption version. Press Help for more information about obtaining the High Encryption Version of this Service Pack.

Service Pack Setup will now exit.

When you click OK, the service pack installation process is stopped. However, if you are performing an unattended installation, an error message is not displayed. Instead, an error message is written to the Event Viewer System log as follows:

Windows NT Service Pack 6 installation failed.

Installation of the Standard Encryption version was attempted on a system with High Encryption.



CAUSE
This behavior occurs because some programs (for example, Microsoft Systems Management Server) do not support an error message dialog box during unattended installations.



STATUS
This behavior is by design.



MORE INFORMATION
Administrators (or users) need to be aware of the absence of a dialog box in unattended installations of SP6 and consistently check event log entries after performing unattended installations.

To obtain the latest Windows NT 4.0 service pack (both 56-bit and 128-bit versions), click the link below:

http://www.microsoft.com/Windows/ServicePacks/

Keywords: kbbug kberrmsg kbfix kbinterop kbsetup KB240299

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