Unable to authorize using Adobe ID - wrong password

Hi,
I am trying to authorize my laptop (with Windows 10) with my Adobe Enterprise ID. I have installed ADE 4.5, and when I select "ebook vendor Adobe ID" and fill in my login data, I get the message "Incorrect ID or password for the selected eBook vendor. Please try again".
I have an Adobe Enterprise ID for my CC programs on the same computer, and it works.
The problem may be that I also have an individual Adobe ID when I try that ID the authorization works.
Thanks in advance.
Best regards,
Michael