Try running Keychains Repair Tool by opening Keychain from you Utilities folder, then from the menu bar choose Keychain Access, then Keychain First Aid, then enter your password, verify then start it. If there are any problems click Repair then Start. (via ) If that doesn't work then try Resetting your Keychain. Via you just need to do these steps:. Open Keychain Access, which is in the Utilities folder within the Applications folder.
![Mac Mac](/uploads/1/2/5/3/125354394/668567147.png)
From the Keychain Access menu, choose Preferences. Click General, then click Reset My Default Keychain. Authenticate with your account login password. Quit Keychain Access then Restart your computer.
Synchronise your user account and keychain passwords! The password of your macOS user account might not match the password of your login keychain. Either create a new login keychain or update it with your new password. After you or your Mac administrator resets the password of your macOS user account, your Mac might ask you to update your keychain password or enter the password of your login keychain. It might also tell you that the system was unable to unlock your login keychain. That's because your login keychain is still using your old password.
If you don't know your old password, the solution is to create a new login keychain. If you know your old password, use that password to update your existing login keychain: Open the Keychain Access app, which is in the the Utilities folder of your Applications folder. From the Edit menu, choose “Change Password for Keychain 'login.' ” Enter the old password of your user account in the Current Password field. This is the password you were using before the password was reset. Enter the new password of your user account in the New Password field.
If you see repeated prompts to grant access to the keychain when starting an Office for Mac app, Office may have been moved to a location other than the default /Applications folder. To protect your computer, macOS uses digital certificates to verify the identity of the websites, servers, and other entities you communicate with. You can use Keychain Access to manage these certificates. How to view certificates.
![Mac Mac](/uploads/1/2/5/3/125354394/878283605.png)
This is the password you're now using to log in to your Mac. Enter the same password in the Verify field. Click OK when done, then quit Keychain Access. Taken from mac support. In High Sierra, my login keychain was stuck on the previous password.
I tried to set it in Keychain Access but the item in the Edit menu was greyed out. I found a suggestion on to use the security command-line utility in the Terminal to set the keychain password to my new login password. Just security set-keychain-password with no further arguments failed after asking for the old and new password, but I then discovered with security default-keychain the full path name to my login keychain: bash$ security default-keychain '/Users/myself/Library/Keychains/login.keychain-db' bash$ security set-keychain-password '/Users/myself/Library/Keychains/login.keychain-db' Old Password: New Password: Retype New Password: bash$ You would obviously replace myself with your login name, or copy-paste the result from default-keychain if it looks radically different from mine. (You can save yourself the copy/paste with security default-keychain xargs security set-keychain-password.).