Unable to export Apple production push SSL certificate in .p12 format

Question

I am using Urban airship in my application for push notification. So, I need to download the push SSL certificate from Apple developer portal. After downloading, I added tha

Answer 1

In addition to verifying that the certificate was issued from certificate request from the Keychain Access -> Certificate Assistant on the same computer, ensure that the received .cer file is installed into the correct keychain.

The best way to do this is select the appropriate keychain under the left Keychains, most likely 'login', ensure 'My Certificates' is selected under Category, then drag and drop the .cer file into the main file list area.