If it is certain that a computer must be used as the Client only in distributed systems (more than 30 computers), then you must specify it on the settings panel of the corresponding Computer object. In this case, software operation is optimized.

There is no need to use this setting in the smaller distributed systems.
If you use the computer as Server/RAW and you set it to be used as the Client, then the distributed system doesn't operate correctly.

The role of the computer in the distributed system is displayed in color in the object tree: