Situation;
RevitServer.local (MEP installation, Host, Accelerator,Admin) - RevitServer.dmz (Host, Accelarator) - RevitServerArch (Host,Admin).

It's very bad documented with ports and services should be available on all 3 Servers to get things working the right way in a Enterpice environment.
The way it should work is that the MEP company can use models (linked, without copying it to there own host) from the RevitServerArch.
The RevitServer.dmz is used to distribute the MEP models to Arch and/or other companies.
Most traffic is blocked through the firewalls, with traffic is needed from with system to get things working without problems and security issues?

Second, how to set up filesharing rights on the RevitServer.dmz to store more than one project, but not available for everyone.

With regards, rolph