I tried from another computer running Windows 10 (rather than Windows 11) and still got the same error. (Note: my error is not the 'login unavailable' error, it is is the "import was not successful" error after it starts importing.)
Rather than waiting for [Schwab <-> TurboTax] to fix their issue (who knows if and when that will happen):
In TT, I decided to enter "Summary information" rather than individual transactions (as suggested by others in this thread). In my case, I had only two summary sections (I did not have any long-term transactions):
- Short-Term covered (type (A))
- Short-Term non-covered (type (B)
TT will tell you that IF you do this, you need to mail a PAPER form 8453 along with 8949s. Hated this, but needed to move on with filing my return (not too many weekends left before April15)!
I went ahead and e-Filed like this. Then TT offered a pre-filled form 8453, which I printed. I attached two printed 8949s to this - one for each section above, added a copy of the Schwab 1099-Composite. I am going to paper-mail this tomorrow - well over 300 sheets of paper :( :( IRS accepted the e-File (which is not saying too much).
The inability of TT to attach a PDF to an e-filed return is a HUGE short-coming IMO. IRS has the ability to accept such attached PDFs, I am told. I wish I didn't have to kill so many trees.
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P.S. When I installed TT on a different PC running Windows 10, TT reported a different amount of refund on the same TT file! WTH! Whatever! We'll see what the IRS says eventually. I did get Audit Defense (I always do.)
