Microsoft KB Archive/157491

= IIS Key Manager Only Allows 512-Bit Size Key =

Article ID: 157491

Article Last Modified on 6/23/2005

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Internet Information Server 2.0

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This article was previously published under Q157491



We strongly recommend that all users upgrade to Microsoft Internet Information Services (IIS) version 6.0 running on Microsoft Windows Server 2003. IIS 6.0 significantly increases Web infrastructure security. For more information about IIS security-related topics, visit the following Microsoft Web site:

http://www.microsoft.com/technet/security/prodtech/IIS.mspx



SYMPTOMS
When you use Key Manager in Internet Information Server (IIS) to create a key, 512 bits is the only size allowed.



CAUSE
The 1381 build (not golden) of Windows NT Server 4.0 is installed.



RESOLUTION
Install the golden, or retail, build (1381). of Windows NT Server 4.0.



MORE INFORMATION
To verify the build installed, check the build number shown during boot. If the build number is (1381) with no dot, the prerelease build of Windows NT 4.0 is installed and needs to be upgraded to the United States/Canada domestic release version.

Additional query words: prodnt

Keywords: KB157491

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