OES2 DHCP service fails to install with yast.

I get this error in the Yast logs.

2008-08-01 09:30:19 <1> oes(22880) [YCP] NovellDhcp.ycp:424 novelldhcpsrv.write:Failed to extend schema for Novell DHCP Services. Schema may already be extended if joining a NetWare Tree.
2008-08-01 09:30:19 <1> oes(22880) [YCP] NovellDhcp.ycp:499 novelldhcpsrv.write:Executing /opt/novell/dhcp/bin/dhcp_config.sh -lh 192.168.4.25 -lp 636 -lps 636 -lu 'cn=admin,o=taylor' -lpw '****' -la 'cn=admin,o=taylor' -lw '****' -lm static -ld /var/log/dhcp-ldap-startup.log -sc 'o=taylor' -lc 'o=taylor' -lg 'o=taylor' -so DHCP_oes -s 1 -ss 1 -lr on -lccm 'allow'
2008-08-01 09:30:19 <3> oes(22880) [bash] ShellCommand.cc(shellcommand):78 Adding DHCP Runtime user object...
2008-08-01 09:30:19 <3> oes(22880) [bash] ShellCommand.cc(shellcommand):78 DHCP Runtime user object Already Exists:cn=admin,o=taylor
2008-08-01 09:30:19 <3> oes(22880) [bash] ShellCommand.cc(shellcommand):78 ldap_add_ext_s: Undefined attribute type cn=DHCP_oes,o=taylor
$["exit":5, "stderr":"Adding DHCP Runtime user object...\n\n\t DHCP Runtime user object Already Exists:cn=admin,o=taylor\n\n\tFailed to modify cn=admin,o=taylor's attributes. ldap_modify_ext_s: Type or value exists.\n\n\tldap_add_ext_s: Undefined attribute type\tcn=DHCP_oes,o=taylor\n", "stdout":""]
2008-08-01 09:30:19 <3> oes(22880) [YCP] NovellDhcp.ycp:505 Warning: Failed to configure Novell DHCP Services
2008-08-01 09:30:26 <3> oes(22880) [YCP] Report.ycp:484 Failed to configure Novell DHCP Services

Anyone know a way to fix it.