Error: Source NSX "NSX-V_Domain_name/IP_adress" and VC "vCenter_Domain_name/IP_adress" are not paired with each other. (Error code: 30724)VMware NSX-T Data Center 3.2.x
VMware NSX 4.1.x
The NSX Manager is not able to do forward and reverse lookup for NSX-V and vCenter.
This issue is resolved in VMware NSX 4.1.1.0 available at Broadcom Downloads.
If you are having difficulty finding and downloading software, please review the Download Broadcom products and software KB.