yes,i have corrected the error occuring due to the overlapping structures .i have give the excitation to the port in the driven terminal model.validate check shows all tick .know also i am get the same two errors;
*Global - Messages
[warning] The application could not resolve the IP address of this machine: remote analysis and remote distributed analysis will not work.
sampledesign3 (E:/)
HFSSDesign1 (DrivenTerminal)
[error] Port refinement, process hf3d error: Port 1 does not have a solved inside material on either side.. (10:04:59 PM Sep 06, 2016)
[error] Simulation completed with execution error on server: Local Machine. (10:04:59 PM Sep 06, 2016)