When you move something in the tree that is on the bootcd, you must update bootdata/packages/reactos.dff.  DHCP was missing from recent bootcds.
Modified: trunk/reactos/bootdata/packages/reactos.dff

Modified: trunk/reactos/bootdata/packages/reactos.dff
--- trunk/reactos/bootdata/packages/reactos.dff	2005-10-21 12:59:32 UTC (rev 18652)
+++ trunk/reactos/bootdata/packages/reactos.dff	2005-10-21 13:20:19 UTC (rev 18653)
@@ -191,10 +191,10 @@
 subsys\system\winlogon\winlogon.exe     1
 subsys\system\winefile\winefile.exe     1
 subsys\system\winver\winver.exe         1
-subsys\system\dhcp\dhcp.exe             1
 subsys\system\sm\sm.exe                 1
 subsys\system\expand\expand.exe         1
 subsys\system\hostname\hostname.exe     1
+services\dhcp\dhcp.exe                  1
 services\eventlog\eventlog.exe          1
 services\rpcss\rpcss.exe                1
 services\tcpsvcs\tcpsvcs.exe            1