When logging in to the Horizon Client, a user might be prompted to change their password.
After entering the new password, the Horizon Client displays a message indicating that the password reset was successful. However, the password is not actually updated until the connection to the Horizon Agent has occurred. So if the session times out before the connection occurs or the user never launches a desktop session, the password will not be updated.
If the new password does not conform to AD rules, the log in will be unsuccessful. The user then needs to exit the Horizon Client and attempt to reset the password again. Note that the following character combinations cannot be used in Horizon Client passwords: