Hi Supalerk,
In order to keep the setup change minimized, we would prefer to organize this pilot live deal after market close or during a market rehearsal.
In such situation, we will just switch the setup after trading hours on the current production connection, validate the setup with GES teams and confirm the good change or rollback before the next trading day (as we did in UAT).
As confirmed last time, setup to be modified in production once green-light provided / pilot live deal session confirmed: