#Box sync was unable to access your keychain code
Then, finally change the security code by clicking on Change Security Code and entering in the details it asks to be able to change the code. On the following page, untick Allow approving with security code and then re-tick it. After a few seconds, re-checkmark the box to enable the feature and then click on Options next to Keychain. Simply uncheck the box next to it and it will be disabled on your Mac. On the screen that appears, you will see an option that says Keychain and it will be checkmarked. Open System Preferences on your Mac and select iCloud. Also, it will change your code and you will then have to use the new code wherever you wish to use Keychain. This will disable the Keychain feature and then enable it. This solution has worked for some users and it is worth trying out on your devices. Disable and then Enable the Keychain Feature on Mac If you're in such a situation, our guide below should be useful for you as shows a few ways to troubleshoot the issue. When they try to access the feature and they enter the code, it just does not work and users can't enter in.
Some of the users have complained that the Keychain code does not work for them. With all that said, Keychain is not an exception when it comes to issues. That makes many things easier as a password saved on your iPhone can easily be used on your Mac using Keychain. Since it syncs with iCloud, all of your logins are available on all the devices that are linked to your iCloud account. Using the Keychain feature is extremely easy and it comes enabled on most modern Apple devices including the Macs so all that you need to do is start using it.
Apple's Keychain feature allows you to remove the hassle of remembering usernames and passwords from your life as it remembers all of these on your behalf and lets you retrieve whenever and wherever you want.