I believe that I ran into this last year. Schwab changed their user name and login requirements, however Schwab itself allows (grandfathered) old logins. TurboTax checks logins according to Schwabs published requirements. I had to change my own Schwab login to conform to the new standards.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
