Before you deploy the VM-Series firewall, each host in the cluster must have the necessary NSX components that allow the NSX firewall and the VM-Series firewall to work together. The NSX Manager will install the components— the Ethernet Adapter Module (.eam) and the SDK —required to deploy the VM-Series firewall.
Prepare the ESXi Hosts for the VM-Series Firewall
On the NSX Manager, select Networking and Security > Installation > Host Preparation.
Click Install and verify that the installation status is successful.
As new ESXi hosts are added to a cluster, this process is automated and the necessary NSX components are automatically installed on each guest on the ESXi host. If the Installation Status is not ready or a warning displays on screen, click the Resolve link. To monitor the progress of the re-installation attempt, click the More Tasks link and look for the successful completion of the following tasks:

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