title: Xcode8 automatic code signing fails with DVTSecErrorDomain Code=-25295
body: <p>Im trying to use automatic code signing with Xcode8. However this fails with error DVTSecErrorDomain Code=-25295 "The specified keychain is not a valid keychain file."</p>
  
  <p><a href="https://i.stack.imgur.com/RBceH.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/RBceH.png" alt="here is also an image of the status"></a></p>
  
  <p>A similar issue existed with Xcode7, where I finally managed the certificates myself in the . Since Xcode8 gives a more specific error code, I am now wondering if anyone knows how to fix this problem?</p>