CryptSetProvider function or CryptSetProviderEx fails to change the user’s default cryptographic service provider (CSP).

For more information about the CryptSetProvider function and CryptSetProviderEx function, visit the following Microsoft Web site:

CryptSetProvider Function
http://msdn.microsoft.com/en-us/library/aa380274(VS.85).aspx

CryptSetProviderEx Function
http://msdn.microsoft.com/en-us/library/aa380275(VS.85).aspx


For additional information regarding Windows Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:

A call to the CryptSetProvider function does not succeed on Windows Server 2003-based computer
http://support.microsoft.com/kb/840694/en-us

The default CSP for the operating system that you are using can be found by calling the CryptGetDefaultProvider function:

CryptGetDefaultProvider Function
http://msdn.microsoft.com/en-us/library/aa379945(VS.85).aspx