One TREX server two portals

Hi,

I am trying to use One TREX instance(non distributed) for two portals of different versions. Vrsion details

TREX 6.0 SP 0

Portal_1: EP5 SP5

Portal_2: EP6 SP2

In the EP5 system i am able to all servers running fine Index server, Queue server, HTTP Sever in TREX monitor iview. But in EP6 queue server status showing as Inactive.

Anybody have an idea? First of let me know is it possible to use the TREX like this.

Regards

Ravindra