Originally Posted by uanj

Does not sound right but I have had the same thing happen. The agent said that the domestic connection was not eligible for upgrading at the time of ticketing and the international leg cleared when I applied the PPS. Said I must have overlooked this. When the domestic leg later "became eligible for upgrading" I had to apply additional PPs or remove the upgrade and reapply for both segments together (and would have been waitlisted at this point).

Second call the agent took care of it "as an exception" which I was happy with. Try calling again? For GS using their plus points and miles all tickets are eligible for upgrading, even if the system hiccups and burps while ticketing.