When attempting to reset a password for ArcGIS Online or ArcGIS Online Assistant, the reset process may be interrupted, and the password reset is unsuccessful. Attempting to log in to ArcGIS Online returns the following error:
Error: Too many invalid attempts, please try again in 15 minutes.
Attempting to log in to ArcGIS Online after 15 minutes returns the following error:
Error: Invalid username or password.
The password reset process is interrupted due to a network connectivity issue, causing the request to be incomplete. This renders both the old and new passwords as invalid.
Clear the browser cache, and reset the ArcGIS Online password. Refer to ArcGIS Online: Reset your password for more information.