Attached physical component not shown on clients

Attached physical component not shown on clients
1 step: stop simulate physics;
2 step: attach component to mesh;
This blueprint works in a single player mode, but it dosen’t work in multiplayer!
Component was attached on server but clients didn’t seen that.
If component didn’t simulate physics initially => bluprient work correctly.
Sorry for my bad English))

It’s a client side replication issue. Try using a function to call the attachment on all machines. You can check the network tutorials in the official unreal engine channels.