Virtual server names
When creating virtual servers to represent the z/OS deployment environment, MVSSERVER (case-sensitive) must be defined as the virtual server name.
MVSSERVER is the only server name the IBM Transformation Extender recognizes.
Even if other virtual servers are also defined in the same .mrn file, MVSSERVER is the only name recognized by the z/OS version of the IBM Transformation Extender as being the active server.