After the ESXi installation is complete and the server restarts, configure the ESXi management network as follows:

1. Press F2 to log in to the Direct Console User Interface (DCUI).

2. At Authentication Required, type the credentials that you created during setup and press Enter.
3. At System Customization, select Configure Management Network.
4. Under Configure Management Network, select Network Adapters.
5. Ensure that the vmnic0 and vmnic1 NIC ports are displayed under Network Adapters, and then press Esc.
6. Select VLAN (optional) and press Enter.
7. On the VLAN (optional) page, type the VLAN ID for the management network and press Enter.
8. Select IPv4 Configuration and press Enter.
9. On the IPv4 Configuration page, select Set static IPv4 address and network configuration, and then press the spacebar.
10. Type the information for IP Address, Subnet Mask, and Default Gateway, and press Enter to confirm.
11. Select DNS Configuration and press Enter.
12. On the DNS Configuration page, type the IP address of the DNS servers and the fully qualified domain name (FQDN) of the host. 
13. At Configure Management Network: Confirm, press Esc to return to the main menu and press Y to confirm changes and restart the management network.
14. Select Test Management Network.

The Test Management Network page displays the items that will be tested.

15. Press Enter to continue.