(This article is English, Japanese, Korean and Traditional Chinese only)

“Unable to Authenticate” and “Failed to Log in” Error Messages

For Android Hunter,
Please see this article

https://niantic.helpshift.com/hc/faq/4261-unable-to-authenticate-and-failed-to-log-in-error-message/

For iOS Hunter, 
Please see this article

Password Help

Your account password is maintained by your login provider. Because Monster Hunter Now does not collect or store your external account passwords, our support team cannot access or reset the password of the external account you use to log in.
 
To change or reset your password, please visit your login provider's website:

Email Address & Login Provider Help

If you do not know which email address or login provider you used to log into Monster Hunter Now, we may be able to help recover it by looking up your player name. Please contact us. 

Still don’t know your player name or email address?

Unfortunately, we will not be able to locate your account in our system without either your player name or email address. In the event you recall your login provider, use the resources below to recover your login credentials: