Error while attaching 2.3 NSX-T with vCD 9.5

Hi,

I have brought VCD9.5 and trying to attach NSX-T 2.3 to it,

Support matrix shows its supported. but when i try to attach i am getting below error.

Can i get some support on resolving the same ?

Failed to connect to the NSX-Manager

-/api/2.0/services/vcconfig, error code 98

Thanks & Regards

Velann