Supersite for Windows posted Heres a Fix for Some OneDrive Problems in Windows Technical Preview Build 9879 A quote from the article:

Doesn't fix the underlying issue, but ... If you're experiencing problems with OneDrive syncing after updating to the latest Windows Technical Preview build, I might have received a fix for you. Microsoft contacted me after I started complaining at this problem on Twitter, and it seems like the fix they provided will work.

 Heres a Fix for Some OneDrive Problems in Windows Technical Preview Build 9879 @ WinSupersite