Uploading archive error: "Missing iOS Distribution signing identity for ..."

The issue is because the Apple WWDRCA expired today (Feb 14, 2016): https://developer.apple.com/support/certificates/expiration/

Open Keychain Access, and in the menu, click View -> Show Expired Certificates. Then, delete the expired Apple Worldwide Developer Relations Certificate Authority from both the login and System Keychains. Install the renewed certificate from Apple by downloading from https://developer.apple.com/certificationauthority/AppleWWDRCA.cer and then opening it.

Also, you might need to restart Xcode to reflect the changes. Then, clean and build your project then re-try generating your archive.

https://i.stack.imgur.com/9h4js.png

Here's statement from Apple.

Thanks for bringing this to the attention of the community and apologies for the issues you’ve been having. This issue stems from having a copy of the expired WWDR Intermediate certificate in both your System and Login keychains. To resolve the issue, you should first download and install the new WWDR intermediate certificate (by double-clicking on the file). Next, in the Keychain Access application, select the System keychain. Make sure to select “Show Expired Certificates” in the View menu and then delete the expired version of the Apple Worldwide Developer Relations Certificate Authority Intermediate certificate (expired on February 14, 2016). Your certificates should now appear as valid in Keychain Access and be available to Xcode for submissions to the App Store.

https://forums.developer.apple.com/thread/37208

Download https://developer.apple.com/certificationauthority/AppleWWDRCA.cer and double-click to install to Keychain. Select "View" -> "Show Expired Certificates" in Keychain app. Delete Apple Worldwide Developer Relations Certificate Authority certificates from "login" tab and "System" tab in Keychain app.

Edited by :Jeremy Molayem Ensure the new downloaded cert is in both login and system Default to only system tab will still give error.**

Download https://developer.apple.com/certificationauthority/AppleWWDRCA.cer Double-click to install it in your Keychain. Then from Keychain, Select View -> "Show Expired Certificates" in Keychain app. It will list all the expired certificates. Delete "Apple Worldwide Developer Relations Certificate Authority certificates" from "login" tab And also delete it from "System" tab. Restart your Mac

Now your system is ready to upload the App

This answer below is the only one that works. Please mark it as the solution

The issue is because the Apple WWDRCA expired today (Feb 14, 2016): https://developer.apple.com/support/certificates/expiration/

Open Keychain Access, and in the menu, click View -> Show Expired Certificates. Then, delete the expired Apple Worldwide Developer Relations Certificate Authority from both the login and System Keychains. Install the renewed certificate from Apple by downloading from https://developer.apple.com/certificationauthority/AppleWWDRCA.cer and then opening it.

I had the same problem and was able to fix it by installing this "Apple World Wide Developer Relations Certificate Authority" certificate in my keychain: link

As odd as it may seem, setting the computer's date back one day works.

I was having this exact same problem and I tried literally everything, I deleted expired certificates on keychain, downloaded the new WWDRCA as others have posted a link to. Edited and re-download my provisioning profile. and then quit xcode opened it back up and cleaned but nothing worked. The only thing that did work for me was changing the date on my Mac to Jan 1st 2016 and it uploaded perfectly! This obviously isn't a permanent fix but I'm on a deadline and it needed to get uploaded asap so hopefully this helps someone in a similar situation.

If you have renewed your account developer, go to Provisioning Profiles site and renew in developer profile.

I faced the same issue and the only thing that worked for me was setting the computer's date backwards as suggested by other responders, I tried downloading the "Apple World Wide Developer Relations Certificate Authority" but no luck.