Extending the life of AirPort Time Capsule as a Time Machine backup destination in macOS 27

IntroductionThis is a note on how I extended the life of an AirPort Time Capsule, which is no longer supported in macOS 27 ...

Reminder: macOS 27 Ends Time Machine Backups to Time Capsule

If you're upgrading to macOS Golden Gate and you have an AirPort Time Capsule, Time Machine won't be able to back up to it. macOS 27 removes support for AFP, the legacy file-sharing protocol that Time ...
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AirPort Utility is leaving, and macOS 27 can’t back up to a Time Capsule

Apple is retiring AirPort Utility, the app that runs AirPort Express, AirPort Extreme and AirPort Time Capsule base stations. Clean installs of macOS 27 leave it out, the iPhone and iPad app is coming ...