Using a multicast function does not call the function on both client and server. The functionality in this reproduction project can be found in the BP_MyPC blueprint.

Regression?: No
This occurs in 4.19

Steps to Reproduce
  1. Download the attached project
  2. Open the project and package it for Windows 64 bit
  3. Open two instances of the packaged game
  4. Press Y on one instance to create a session
  5. Press U on the other instance to join the session (You can move around some to ensure the two are connected)
  6. Press J to call a Multicast function on either of the instances that prints a string
    Result: The printed message is not called on both instances.
    Expected: The printed message is called on both instances.

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By Design
Affects Versions4.194.204.21
Target Fix4.22
CreatedSep 5, 2018
ResolvedJan 18, 2019
UpdatedJan 21, 2019