we are using ESXi 4.0 and ESXi 4.1.
I am using VMware converter to host my VM in our ESXi server.
As our VM size is 35 GB , it is taking half a day to host it.
Is there any alternate utility to VMware converter to host VM faster?
You have a bottleneck somewhere. That bottleneck is likely one of these three:
You'll need to investigate which of these is the case and then take action accordingly.