The vSphere Management Assistant (vMA) is a virtual machine that you configure to act as a net dump server that collects diagnostic information from your ESXi host.

Deploy and configure vMA on a physical server different form the server where you set up the net dump client. For information, see the vSphere Management Assistant Guide on


Log in to vMA as administrator.


Enable the net dump server on vMA.

# sudo chkconfig vmware-netdumper on


Start the net dump server.

# sudo/etc/init.d/vmware-netdumper start

# sudo lokkit --quiet --port=6500:udp