Customer Service: "User already exists" error while adding new users to the download center portal.

The license admin is not able to add user/s to the download center portal. They keep getting the error that the user already exists.

This is due to the fact that the user already has a trial account in our system or is already registered under another account. 

To add the user follow these steps instead:

1. On the download portal select List Accounts:

2.  Select your account and from the Actions drop-down menu, select Link Existing Users: