Have you checked the seperate patch 4 zip into epo (from the patch page of the downloads section) aswell as the full vse patch 4 repost, this would be neccessary to update prior machines.
Also you would need to include vse 8.7 in the product update tasks aswell as the deployment task
Im assuming you are using epo... if this is just manual then you just need to install the patch 4 patch, (not whole version) on each machine
Thank you Tony
I would never have guessed myself.