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OS X Server: About the DHCP Service

The DHCP service is included in OS X Server version 2.1 for Mountain Lion.

For instructions on administering the DHCP service, choose Server Help in the Help menu.

Important: DHCP is also used by Internet Sharing (in the Sharing Pane of System Preferences) to provide addresses to clients on the private network that are using the server's Internet connection. You cannot use the OS X Server DHCP service at the same time as Internet Sharing in System Preferences. Any existing DHCP settings will be overwritten if you enable Internet Sharing in the Sharing pane of System Preferences.


Upgrade and migration

If you previously enabled NAT and DHCP in Server Admin in Lion Server, your configuration will not be preserved when you upgrade or migrate to OS X Server (Mountain Lion). You can restore the default NAT and DHCP configuration by disabling then enabling Internet Sharing in System Preferences.

If you enabled DHCP (only) in Server Admin in Lion Server, your configuration will be preserved when you upgrade or migrate to OS X Server (Mountain Lion).

If you enabled DHCP in Mac OS X Server v10.6, your configuration will be preserved when you upgrade or migrate to OS X Server (Mountain Lion).

Additional Information

The bootpd process, which is used by the DHCP service, is also used by the NetInstall service, but you can use either service independently or both together.

Last Modified: Sep 20, 2012
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  • Last Modified: Sep 20, 2012
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