I’ve had a bit of time recently to work on my ConfigMgr lab environment and one of the tasks I had on my list was to look into offline image servicing. This functionality allows you to inject updates into your reference image on a scheduled basis, straight from the console.
However, when I tried to schedule servicing for my Windows 10 1511 images, it only showed me Windows 8 updates. After a lot of digging I discovered that in my image properties it was displaying my image version number as
6.2.10240.16384. You can see this by selecting your image and in the bottom pane, viewing your OS Version: