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Microsoft KB Archive/171889

From BetaArchive Wiki

BUG: MS Enhanced Provider Won't Load Under Windows NT 4.0 SP3

Q171889



The information in this article applies to:


  • Microsoft Win32 Software Development Kit (SDK)





SYMPTOMS

The MS Enhanced Provider (Rsaenh.dll) will not load under Windows NT 4.0 Service Pack 3.



CAUSE

The MS Enhanced Provider requires that you load and use a signature which is stored in the registry. There is a bug in Domestic Windows NT 4.0 Service Pack 3 in that the signature for the MS Enhanced Provider is not put in the registry during setup. In addition, another required registry entry is incorrect in Service Pack 3.



RESOLUTION

The file Rsaenh.reg is used in conjunction with Regedit.exe to fix a problem with the MS Enhanced Provider (Rsaenh.dll) that does not load under Windows NT 4.0 Service Pack 3. It can be obtained via the following self- extracting executable files, Rsax86.exe (x86 platform) or Rsaalpha.exe (Alpha platform). The following files are available for download from the Microsoft Download Center:


Rsax86.exe


Rsaalpha.exe

For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base:

Q119591 How to Obtain Microsoft Support Files from Online Services

Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. Once posted, the file is housed on secure servers that prevent any unauthorized changes to the file.

The MS Enhanced Provider (Rsaenh.dll) is a Cryptographic Service Provider for the Crypto API that implements strong Cryptography (DES, 3DES, 128-bit RC2 and RC4, and large RSA key exchange keys). Its export is restricted to North America and, in this case, it is shipped in the Domestic (North America only) version of Windows NT 4.0 Service Pack 3.

To fix this problem:

  1. Make sure that you have downloaded the appropriate file for your platform (Rsax86.exe for the X86 platform or Rsaalpha.exe for the Alpha platform).
  2. Run the .EXE to extract the Rsaenh.reg file.
  3. Make sure that you are logged on as an administrator.
  4. Go to a DOS window. At the command line type:

    regedit rsaenh.reg

    The command argument to regedit.exe must be the path of the rsaenh.reg file.



STATUS

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

Additional query words: enhanced csp 128-bit service provider crypto

Keywords : kbWinInet
Issue type :
Technology : kbWin32SDKSearch kbAudDeveloper kbSDKSearch kbWin32sSearch


Last Reviewed: January 16, 2000
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