Error message: "Missing Required Registration Token"

If you get a 'Missing Required Registration Token' error when signing in to HBO GO, try the following troubleshooting steps:

Step 1: Clear your browser's cookies

  1. Clear your browser's cookies. To find out how to do this, search your browser's help for 'cookies.'
  2. Close and reopen your browser.
  3. Go to and try signing in again.

Step 2: Try using another browser

  1. Open another browser. For a list of supported browsers, see What are the requirements for
  2. Go to and try signing in again.