Hi, My partner and I are attempting to run NT7 and NT8 at the same time because we have algos that only work for one platform and not the other. We are using IBC (latest version of IB Controller) to keep the account connected in spite of IB's daily login requirement. We are able to run either NT7 or NT8 individually with IBC with no big issues. Unfortunately yesterday when I tried to run both NT7 and NT8 and the issue is that since both platforms automatically try to sign into TWS or Gateway, it causes one of them to close and we lose connection with IB on one of the platforms. I don't know if there is a way around this. If anyone has found a way please let me know.