So far I've had to setup OneDrive 3 times. It works then I reboot and then I have to sign in again. I go through the whole thing again everytime I boot.
Having the same problem. Synced my complete onedrive (over 50GB of pictures + 150gb of other data). Took me a whole night to sync it. Next day, the onedrive app stumbled and I had to reinitialize it again. It then check my files against onedrive. That takes a few more hours. Next day, same problem...
I turned off onedrive syncing Hope they fix it fast, because that's the one big gripe I have with w10...