Time Machine – How to Verify Backup Password

time-machine

Since I've been using for Time Machine for a long time with several machines that I no longer have, I would like to do some cleanup on my password manager but I don't want to erase my current Time Machine password by mistake. How can I test my time machine password in some simple way? I'm assuming I can do it from the recovery screen but that would be pretty painful if I have to try out several passwords, most of which are pretty long. Any way I can test it from OSX running normally on my laptop?

Thanks.

Best Answer

The best way is:

  • backup every of these passwords.
  • remove them one-by-one and mount and unmount your current Time Machine hard drive.
  • Once you are prompted for a password to decrypt the Time Machine backup, it means that you removed the only password you needed.
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