Adding EMC VNX2 5200 to OpStor 8.0

Adding EMC VNX2 5200 to OpStor 8.0

Hi guys,
I want to add EMC VNX2 5200 ( Block ) to OpStor. I did everything according to instruction but I am not able to add the device. Here is the instruction I followed:
https://www.manageengine.com/products/opstor/monitoring-emc-vnx-block.html
Is this related to OpStor version and in that case does upgrading to latest version solve the problem?