An 'invalid credentials' error indicates that your username is spelled incorrectly, does not exist or is disabled. Retype your username and try again.
Verify that you are visiting the participant registration site: https://dorms.disney.com/login
If you have not logged in to DORMS in more than 30 days, please select "Forgot Password/New to DORMS." This will prompt you to enter your username (typically your email address) and request a new password. The act of requesting a new password will reactivate your account. Once you receive your new password, you will be able to log in and update your password to one of your choosing. Please let us know if you come across any additional issues.
DORMS Password Reset Walkthrough