https://community.developer.cybersource.com/t5/Integration-and-Testing/Unknown-Certificate-Authority-Error-Message/m-p/30076#M15751 <P>We are using an Authorize.Net test account in an attempt to test our our shopping cart. We are using the Advanced Integration Method and have our SSL in place.&nbsp;<BR /><BR />The SSL has been manually verified by the CA and confirmed that the certificate is correctly installed and that the certificate is valid and not revoked.<BR /><BR />However, when attempting to test the payment processor, the following error is returned:<BR /><BR /><SPAN>Secure Sockets Layer (SSL) certificate Error 1212776:</SPAN><BR /><SPAN>The Certificate Authority that generated the server's certificate was not known</SPAN><BR /><SPAN>The SSL certificate date has expired</SPAN><BR /><SPAN>WinHttpSendRequest Failed for <A target="_blank" href="https://test.authorize.net/gateway/transact.dll">https://test.authorize.net/gateway/transact.dll</A> - One or more errors were found in the Secure Sockets Layer (SSL) certificate sent by the server. See the above message for the details of that error. (12175)</SPAN><BR /><BR />Any help in resolving this issue is appreciated.</P> Tue, 25 Sep 2012 22:00:57 GMT JThomas 2012-09-25T22:00:57Z https://community.developer.cybersource.com/t5/Integration-and-Testing/Unknown-Certificate-Authority-Error-Message/m-p/30076#M15751 <P>We are using an Authorize.Net test account in an attempt to test our our shopping cart. We are using the Advanced Integration Method and have our SSL in place.&nbsp;<BR /><BR />The SSL has been manually verified by the CA and confirmed that the certificate is correctly installed and that the certificate is valid and not revoked.<BR /><BR />However, when attempting to test the payment processor, the following error is returned:<BR /><BR /><SPAN>Secure Sockets Layer (SSL) certificate Error 1212776:</SPAN><BR /><SPAN>The Certificate Authority that generated the server's certificate was not known</SPAN><BR /><SPAN>The SSL certificate date has expired</SPAN><BR /><SPAN>WinHttpSendRequest Failed for <A target="_blank" href="https://test.authorize.net/gateway/transact.dll">https://test.authorize.net/gateway/transact.dll</A> - One or more errors were found in the Secure Sockets Layer (SSL) certificate sent by the server. See the above message for the details of that error. (12175)</SPAN><BR /><BR />Any help in resolving this issue is appreciated.</P> Tue, 25 Sep 2012 22:00:57 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Unknown-Certificate-Authority-Error-Message/m-p/30076#M15751 JThomas 2012-09-25T22:00:57Z https://community.developer.cybersource.com/t5/Integration-and-Testing/Unknown-Certificate-Authority-Error-Message/m-p/30082#M15754 <P>Doesn't sound like is your certificate, but your server/pc is not accepting the certificate from authorize.net.</P> Tue, 25 Sep 2012 23:12:21 GMT https://community.developer.cybersource.com/t5/Integration-and-Testing/Unknown-Certificate-Authority-Error-Message/m-p/30082#M15754 RaynorC1emen7 2012-09-25T23:12:21Z