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Master password not working on other computer

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I'm using two computers. My master password isn't working on the other computer. I tried changing it on the 1st computer (where I'm logged into Firefox); but the change isn't applying to the 2nd computer. Help!

I'm using two computers. My master password isn't working on the other computer. I tried changing it on the 1st computer (where I'm logged into Firefox); but the change isn't applying to the 2nd computer. Help!

Solution eye eponami

The Master Password is never synced to other devices. Each device can have its own MP, so you may have used another MP on that other device. You can also try the MP with Caps Lock on.

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I was able to sign in by clicking on the grey person icon. However, after I successfully signed in using my master password, I kept getting the popup asking for my master password, and it would not accept my master password. I hit "Cancel" because I wasn't sure what else to do.

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Solution eye oponami

The Master Password is never synced to other devices. Each device can have its own MP, so you may have used another MP on that other device. You can also try the MP with Caps Lock on.

See also:

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So helpful to know! I didn't realize this. Is it mentioned anywhere in Firefox (ex. when I'm creating a master password on one computer)?