Method 2: Reset Keychain password in single user mode.

Method 1: Reset Keychain login password in Keychain Access.

Regardless of which happens, resetting keychain password would help you access Keychain again. Probably you are just prompted to do that at startup after Mac admin password reset, such as on Yosemite, or constantly asked to enter the keychain password after Mac login. Since the keychain is still protected with the old administrator password, there would be no way to get back into it unless you could update keychain password or create new keychain. No matter which method you use to reset administrator password on mac, it won't automatically update the password protecting the account's login keychain.

*If you selected the wrong keychain to delete, press the cancel key and go back to the keychain panel.How to Reset Keychain Password after Mac Password Change

Right click on the desired keychain and select: Delete Keychain.

The system keychain will need to be deleted if the user forgets the master password or the keychain file becomes corrupt. Whenever an application needs access to your keychain and your keychain

Note: If your Mac OS X login password is not the sameĪs your account keychain password, you will be asked for the password Create a new password for the keychain and click OK.Right click on the desired keychain and select: Change Password for Keychain.Select Create and then input a password and click OK.

Enter a unique name for the new keychain and select the keychain location.

If the old system keychain needs to be deleted or if a user wants to create an additional keychain for personal use, a new keychain will need to be created. Note: From the Keychain access panel you can create a new keychain, delete an existing keychain or change the password on a keychain.

In the search field type: keychain access.

Click on the magnifying glass in the upper right hand corner to open up Spotlight search.

The System Keychain is a utility which securely stores all passwords and user IDs for a user and lets that user unlock them all with a single master password. This document provides instructions on where to find the system keychain and outlines procedures for deleting or adding a keychain and changing the keychain password.

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