Almost right EMPiRE.
2nd dot: Apply ALL the official Company of Heroes: Opposing Fronts Patches (there is no direct patch from v2.100 to v2.301)
5th dot: Copy <GameDir>\VALIDATORSRS\RS\RS.DLL to <GameDir>\VALIDATORSRS\RSPA\RSPA.DLL, delete the existing RSPA.DLL file and rename the RS.DLL file to RSPA.DLL.
Edit: this site here show the step how to patch CoH:
http://www.coh-zone.com/forums/showthread.php?t=787