1. Select 'User Management' under 'Admin' module.
2. Click on the 'Edit' icon next to the user account you wish to unlock.
3. A pop out window of the user details will be shown.
4. If the user account is locked, the check box 'Account Locked' will be checked.
5. Uncheck the box to unlock the account
6. Click on 'Save' to save the changes