What to read next Register Third-Party Guest Introspection Service with NSX-TIf Security Policies in your NSX-V environment use third-party Guest Introspection service provided by a partner, register the partner service with NSX-T before you start the migration. Register Third-Party Network Introspection Services with NSX-TIf Security Policies in your NSX-V environment use third-party Network Introspection services provided by partners, partner services must be registered with NSX-T before you start the migration. Parent topic: Migrating a User-Defined Topology