ADS 2011 EM co-simulation problem

Dear all,

I trie to design a rf amplifier with ADS 2011. At first I designed the layout in a schematicsheet with microstrip elements(from menu). After this I generated a Layout on a Layoutsheet and generated a component for cosim. Then I included the layout(component) to a schematic sheet with s2p file(fet). It worked all well. But it seems as the simulator doesn′t use the EM Simulation and simulates the microstip elements like schematic parts. Normaly the simulator opens the layout window and you can see the generated mesh. I also changed the hirarchy policy and deleted the schematic of the ms elements - but it didn′t help.
I draw the ms lines with rectangular. This cosim gave worked. I saw the mesh generation, it took more time and the result was different from schematic simulation. The problem is, I can′t tune the rectangular parts. The microstrip lines are tuneable with variables during cosim.
Can anyone tell me a solution?

best regards

Use layout look alike component and not the resultant s2p file

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