ba1435e1_tem_for_use_in_Visual_Composer__Description
[Property] Message Server [Description] 
Here you have to enter the complete DNS name of your central system, e.g. erinome.ibsolution.local is the message server for the IBSolution development system. If you are not sure, you can use the transaction SMICM (Goto -> Parameters -> Display) to get your DNS name of your central instance.
How to create a portal system for use in Visual Composer
Description