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How to resolve Apple This certificate was signed by an unkno

Posted: 25 Apr 2014 15:49
by selam sew
How to resolve the error message saying This certificate was signed by an unknown authority when you try to create Apple APNS.


Solution - The problem was missing apple WWDR intermediate certificate.

You need to install the WWDR intermediate certificate issued by Apple’s worldwide developer relations. It can be downloaded from the portal or directly at Make sure you install this to system. After the installation certificate that created will change to Valid automatically.