Hey @JoeSea, forgot to note in my original post that I did try rebooting the switch before attempting the upgrade (not the first time, but after it failed once) - regrettably that didn't solve it....

I've been trying to upgrade my TL-SG2210P from v5.0.2 to v5.0.3 for the past few hours but it won't ever complete. At first I was on Omada SDN Controller v5.5.6, but have switched to 5.6.3 to see if...