Microsoft KB Archive/174494

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Internet Explorer 4 or 5 Setup Updates 128-Bit Encryption

PSS ID Number: 174494

Article Last Modified on 12/5/2003



The information in this article applies to:

  • Microsoft Internet Explorer 1.0 for Windows 95
  • Microsoft Internet Explorer 2.0 for Windows 95
  • Microsoft Internet Explorer 3.0 for Windows 95
  • Microsoft Internet Explorer 3.01 for Windows 95
  • Microsoft Internet Explorer 3.02 for Windows 95
  • Microsoft Internet Explorer 4.0 for Windows 95
  • Microsoft Internet Explorer 4.01 for Windows 95
  • Microsoft Internet Explorer 5.0 for Windows 95
  • Microsoft Internet Explorer 5.01 for Windows 95
  • Microsoft Internet Explorer 5.5 for Windows 95
  • Microsoft Internet Explorer 3.x for Windows 95
  • Microsoft Internet Explorer 4.x for Windows 95
  • Microsoft Internet Explorer 2.0 for Windows NT 4.0
  • Microsoft Internet Explorer 3.0 for Windows NT 4.0
  • Microsoft Internet Explorer 3.01 for Windows NT 4.0
  • Microsoft Internet Explorer 3.02 for Windows NT 4.0
  • Microsoft Internet Explorer 4.0 for Windows NT 4.0
  • Microsoft Internet Explorer 4.01 for Windows NT 4.0
  • Microsoft Internet Explorer 5.0 for Windows NT 4.0
  • Microsoft Internet Explorer 5.01 for Windows NT 4.0
  • Microsoft Internet Explorer 5.5 for Windows NT 4.0



This article was previously published under Q174494

SUMMARY

When you install the English-language exportable 128-bit Server Gated Cryptography (SGC) add-on for Internet Explorer 3.02 on a computer with Internet Explorer 4 or 5 installed, you may receive the following message:

   Microsoft Internet Explorer SGC 128 update
   Your computer already has a newer or 128-bit version of this product.
   Installation will exit.
                

MORE INFORMATION

When you install Internet Explorer 4 or 5 over the 40-bit non-SGC version of Internet Explorer 3.02, the Schannel.dll file is updated to the new SGC version.

When you install Internet Explorer 4 or 5 over the 128-bit SGC version of Internet Explorer 3.02, the Schannel.dll file is updated to the new 128-bit SGC version.

When you install Internet Explorer 4 or 5 over the 128-bit strong encryption version of Internet Explorer 3.02, the Schannel.dll file is updated.

To enable 128-bit strong encryption in Internet Explorer 4 or 5, use either of the following methods:

  • Install the 128-bit strong encryption version of Internet Explorer 3.02 before you upgrade to Internet Explorer 4 or 5.
  • Download the 128-bit strong encryption upgrade for Internet Explorer 4 or 5 from the following Web site after you install Internet Explorer 4 or 5:

    http://www.microsoft.com/ie/download/?/ie/download/128bit.htm

    NOTE: This link is for Windows 95 and Windows NT 4.0 users only. If you are using Microsoft Windows 98, you are automatically redirected to the Windows Update Web site. If you are using Windows 98, go to the following Web site:

For more information about Server Gated Cryptography and security in Internet Explorer, see the following articles in the Microsoft Knowledge Base:

148427 Generic SSL (PCT/TLS) Updates for IIS and MS Internet Products


135982 How to Configure Internet Explorer to Use a Proxy Server


155444 Description of Digital Code Signing in Internet Explorer


174360 How to Use Security Zones in Internet Explorer



Additional query words: 4.00

Keywords: kbinfo KB174494
Technology: kbIE100Win95 kbIE200Win95 kbIE200WinNT400 kbIE300Win95 kbIE300WinNT400 kbIE301Win95 kbIE301WinNT400 kbIE302Win95 kbIE302WinNT400 kbIE3xWin95Search kbIE400Win95 kbIE400WinNT400 kbIE401Win95 kbIE401WinNT400 kbIE4xWin95Search kbIE500Search kbIE500Win95 kbIE500WinNT400 kbIE501Win95 kbIE501WinNT400 kbIE550Search kbIE550Win95 kbIE550WinNT400 kbIE95Search kbIENT400Search kbIEsearch