You can use remote management applications to install ESXi or for remote management of hosts.

Supported Remote Management Server Models and Firmware Versions

Remote Controller Make and Model

Firmware Version

Java

Dell DRAC 6

1.54 (Build 15), 1.70 (Build 21)

1.6.0_24

Dell DRAC 5

1.0, 1.45, 1.51

1.6.0_20,1.6.0_203

Dell DRAC 4

1.75

1.6.0_23

HP ILO

1.81, 1.92

1.6.0_22, 1.6.0_23

HP ILO 2

1.8, 1.81

1.6.0_20, 1.6.0_23

IBM RSA 2

1.03, 1.2

1.6.0_22