Integration and Testing

Authorize.Net API questions and help with your payment integration.

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Member
Posts: 1
Registered: ‎04-20-2013

the underlying connection was closed could not establish trust relationship for the SSL/TLS

Hi,

 

I am developing POS application C# (VS2010). I am using AIM Card Not Present API and created test account. I have developed test application and worked on development machine but when installing at client machine and processing CC then getting the subject error.

 

Please guide me.

 

Thanks in advance.

 

Brij

Expert
Posts: 4,525
Registered: ‎03-08-2010

Re: the underlying connection was closed could not establish trust relationship for the SSL/TLS

try access to the https authorize.net url to install the ssl certificate.

or here some google results/workaround

http://forums.asp.net/p/1174025/1972251.aspx

http://dobrzanski.net/2009/04/01/systemnetwebexception-the-underlying-connection-was-closed-could-no...