Sync failed. Error: (0x80c81000) Data in the stream is not in the proper format.

When trying to sync folders, you might receive an “Error: (0x80c81000) Data in the stream is not in the proper format”.

image

Make sure to install KB2883200 and KB2884846 on the Windows 8.1 Client and you should be good to go.

Please consider leaving a reply if this post helped you.