TestFlight Incorrectly Linking to Personal Apple ID After Latest Apple Updates.

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My app has never been associated with my personal Apple ID - this is exactly why I use a Business/Managed Apple ID for all development‑related work. However, after the most recent apple updates, TestFlight has started creating conflicts between these accounts.

Current situation:

The App Store is correctly linked to my personal Apple ID, as expected. TestFlight, which should be tied to our Business/Managed Apple ID for internal testing, is now incorrectly linked to my personal Apple ID. App Store Connect and our developer account remain correctly associated with the Business/Managed Apple ID. I should not be required to sign out of my personal Apple ID on the device just to use TestFlight with the Business/Managed Apple ID. This has never been required before, and signing out risks data loss if a full backup hasn’t been done. Attempting to switch accounts inside TestFlight results in an “internal error,” making it impossible to redeem TestFlight codes or continue our testing workflow. I’ve already tried deleting our app, deleting and reinstalling TestFlight and removing all personal email accounts associated with Apple Developer. TestFlight still forces the personal Apple ID.

If anyone has any recommendations other than signing out of my personal account, I would really appreciate it.

Thank you!

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Answer 1

DTS Engineer OP

Apple

8h

Thank you for your post.

I believe the primary focus of your post is on the simplicity of how easy is to set the incorrect account in the dropdown menu for the account you are currently using in Xcode.

As a personal recommendation, I only suggest using a separate device (computer and test devices) dedicated to your Business Apple ID to avoid potential conflicts. Ensure that your personal account is never connected to this devices. This approach will prevent any accidental mixing of accounts, in my modest opinion.

You can manage your Business Apple ID independently and use it exclusively for redeeming TestFlight invites related to your business projects. Additionally, if you are using beta versions of iOS, ensure that the profiles associated with your Business/Managed Apple ID are correctly installed and active on the device.

To implement these steps, navigate to Xcode > File > Settings > Apple Accounts and remove your personal account.

By maintaining separate devices for your personal and business accounts, you can avoid accidental account mixing, especially when opening a new Xcode project.

While these steps may not provide an immediate solution, they can help you navigate in the future this issues. Looking forward to other's opinion on this one.

Albert Pascual   Worldwide Developer Relations.

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