Login Error 53021

When a user attempts to access the site they get a 53021 error on login.

When a user has provided too many bad passwords the account and/or IP address will be locked as per the Account Lockout Policy.

The error will appear to like this:

To clear a locked user or IP address perform the following:

1. Log into the site as a administrator.
2. Go to Settings > Authentication > Account Lockout Policy

3. Click the Trash Can icon and this will remove the lockout.