Course of the mismatch of api version and server version you cant create updates with win10-clients. there seams to be a workaround in the discussions-area ?!
Comments: http://wsuspackagepublisher.codeplex.com/discussions/655107 this one, but may you got a better idea.
Comments: http://wsuspackagepublisher.codeplex.com/discussions/655107 this one, but may you got a better idea.