"Alan Dean" <adeanRemoveThisT***@hotmail.com> wrote in message
news:%23iubjdpSFHA.3312@TK2MSFTNGP12.phx.gbl...
> Hi,
>
> I'm using CredUIConfirmCredentials in combination with
> CredUIPromptForCredentials.
>
> I set the EXPECT_CONFIRMATION and when the credentials are first provided
> by the user, the call to CredUIConfirmCredentials returns NO_ERROR as
> expected. However, on all subsequent calls to CredUIConfirmCredentials
> with the same credentials ERROR_INVALID_PARAMETER is returned. This is
> described by the SDK docs at
> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/creduiconfirmcredentials.asp
> as "An attempt to confirm a waiting credential failed because the
> credential contained invalid or inconsistent data." which is rather
> confusing as they are exactly the same credentials that were successfully
> saved originally.
>
> The same result is returned if you enter a different password for the same
> username. What is even more confusing is that the new credentials are
> actually persisted - which seems to indicate that the return value is
> actually indicating that the persisted credentials were overwritten - not
> that there was a error. Am I missing something, or is the documentation
> incorrect?
>
> --
> Alan Dean
> email: adeanRemoveThisT***@hotmail.com
> blog: http://www.dotnetjunkies.com/weblog/alan.dean/
>

"Hernan de Lahitte" <hernan_delahi***@hotmail.com> wrote in message
news:eQ6HXYySFHA.3544@TK2MSFTNGP12.phx.gbl...
> Hi Alan,
>
> I'm not sure if I ever had to deal with this issue but you may take a look
> at this sample project where you will find a class that uses this API
> along with samples that hopefully may help you with your problem.
>
> Project: http://sourceforge.net/projects/ncrypto/
> Class name: UICredentialsHelper
>
> Regards,
>
> Hernan de Lahitte
> http://clariusconsulting.net/hdl
>
>
> "Alan Dean" <adeanRemoveThisT***@hotmail.com> wrote in message
> news:%23iubjdpSFHA.3312@TK2MSFTNGP12.phx.gbl...
>> Hi,
>>
>> I'm using CredUIConfirmCredentials in combination with
>> CredUIPromptForCredentials.
>>
>> I set the EXPECT_CONFIRMATION and when the credentials are first provided
>> by the user, the call to CredUIConfirmCredentials returns NO_ERROR as
>> expected. However, on all subsequent calls to CredUIConfirmCredentials
>> with the same credentials ERROR_INVALID_PARAMETER is returned. This is
>> described by the SDK docs at
>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/creduiconfirmcredentials.asp
>> as "An attempt to confirm a waiting credential failed because the
>> credential contained invalid or inconsistent data." which is rather
>> confusing as they are exactly the same credentials that were successfully
>> saved originally.
>>
>> The same result is returned if you enter a different password for the
>> same username. What is even more confusing is that the new credentials
>> are actually persisted - which seems to indicate that the return value is
>> actually indicating that the persisted credentials were overwritten - not
>> that there was a error. Am I missing something, or is the documentation
>> incorrect?
>>
>> --
>> Alan Dean
>> email: adeanRemoveThisT***@hotmail.com
>> blog: http://www.dotnetjunkies.com/weblog/alan.dean/
>>
>
>