Dedicated Server Editor and Build version

I have create project multiplayer with server host and server dedicated…when I connect client to server host work all well, when connect client server dedicated many function not work well, why? where is different with server host and server dedicated?

When I test the project in the editor, with Dedicated Server enabled, all work perfect but when I build Dedicated Server and launch project there are many function not work well.
Why this different from Editor to Build version?

Can help me?