Code Sign error: Certificate identity 'iPhone Developer: My Name (xxx)' appears more than once in the keychain

Question

I m stuck with this error:

Code Sign error: Certificate identity \'iPhone Developer: My Name (xxx)\' appears more than once in the keychain. The codesign tool requir

Answer 1

I had this issue with XCODE 4.5, because Organizer was still keeping the developer certificates.

• Deleted all provisioning profiles from Organizer
• Deleted all developer certificates from KeyChain--Also show the expired list
• Close XCode
• Download dev certificate
• Install Provisioning profiles
• Clean build
• Check organizer certificate list and make sure you got one
• Check Keychain to make sure you got one certificate
• Archive