After migrating from NSX-v to NSX-T, you encounter the below:The DFW IPFIX configuration is not migrated.
VMware NSX-T Data Center 3.x
VMware NSX 4.x
This issue occurs as Distributed Firewall IPIX is currently not supported on migration.
This is a condition that may occur in a VMware NSX environment.
To resolve this issue, manually create the DFW IPFIX configuration in the NSX-T environment.
Detailed Feature Support for Migration:
VMware NSX-T Data Center 3.2