Without it: After the client connects, both the server and the client shows the network object. With it: After the client connects, only the server shows the network object. - Unchecking the NetworkProximityChecker component in the Hierarchy acts like it is still checked; I have to remove the component from the object to make it work again. - Same applies with multiple connects. - Tested this also with 2017.1.0f3 I hope someone is able/willing to verify?