Programs and services that use Secure Socket Layer (SSL) or Security Support Provider Interface (SSPI) may not function when Internet Explorer 5.01 is installed.

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This behavior occurs because the released version of Internet Explorer 5.01 contains a version of the Schannel.dll file with an incorrect internal key.

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To resolve this issue, apply Security Update, May 16, 2001 to install a version of the Schannel.dll file with the correct key. You can download Security Update from the following Microsoft Web site:

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

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After you install a certificate in Internet Information Server (IIS) to allow secure access, connection attempts using Hypertext Transfer Protocol (HTTP) are unsuccessful and the following error message may be displayed:

Internet Explorer 5.x

The following file is updated by Q247367.exe:

   File name     Size     Date         Version         Platform
   ------------------------------------------------------------
   Schannel.dll  154,896  12/03/1999   4.86.1959.1877  x86
				

Microsoft Windows NT 4.0 Service Pack 6a 128-bit encryption is not affected by this behavior because it includes a copy of the Schannel.dll file, which contains the correct key and is a later version (4.87.1959.1877).

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