I'm seeing the exact same error on ilo4's as well:
> hponcfg ALL << EOF
<RIBCL VERSION="2.0">
<LOGIN USER_LOGIN="caastage\everhwt1" PASSWORD="1Car:0l0000018">
<RIB_INFO MODE="write">
<MOD_GLOBAL_SETTINGS>
<IPMI_DCMI_OVER_LAN_ENABLED value="n"/>
</MOD_GLOBAL_SETTINGS>
</RIB_INFO>
</LOGIN>
</RIBCL>
EOF
Bay 4: The blade is not present.
Bay 5: The blade is not present.
Bay 6: The blade is not present.
Bay 7: The blade is not present.
Bay 8: The blade is not present.
Bay 12: The blade is not present.
Bay 13: The blade is not present.
Bay 14: The blade is not present.
Bay 15: The blade is not present.
Bay 16: The blade is not present.
Bay 1: Awaiting RIBCL results ...
Bay 3: Executing RIBCL request ...
Bay 11: Executing RIBCL request ...
Bay 1: Executing RIBCL request ...
Bay 9: Executing RIBCL request ...
Bay 2: Executing RIBCL request ...
Bay 10: Executing RIBCL request ...
Bay 1: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 1: RIBCL results retrieved.
Bay 9: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 2: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 11: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 10: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 3: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 2: Awaiting RIBCL results ...
Bay 2: RIBCL results retrieved.
Bay 3: Awaiting RIBCL results ...
Bay 3: RIBCL results retrieved.
Bay 9: Awaiting RIBCL results ...
Bay 9: RIBCL results retrieved.
Bay 10: Awaiting RIBCL results ...
Bay 10: RIBCL results retrieved.
Bay 11: Awaiting RIBCL results ...
Bay 11: RIBCL results retrieved.
<!-- ======== START RIBCL RESULTS ======== -->
<!-- ======== Bay 1 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 2 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 3 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 9 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 10 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 11 RIBCL results ======== -->
Error writing xml_header
<!-- ======== END RIBCL RESULTS ======== -->
bwi40g-c7000-16corg8m-000-oa1> hponcfg ALL << EOF
<RIBCL VERSION="2.0">
<LOGIN USER_LOGIN="Administrator" PASSWORD="password">
<RIB_INFO MODE="write">
<MOD_GLOBAL_SETTINGS>
<IPMI_DCMI_OVER_LAN_ENABLED value="n"/>
</MOD_GLOBAL_SETTINGS>
</RIB_INFO>
</LOGIN>
</RIBCL>
EOF
Bay 4: The blade is not present.
Bay 5: The blade is not present.
Bay 6: The blade is not present.
Bay 7: The blade is not present.
Bay 8: The blade is not present.
Bay 12: The blade is not present.
Bay 13: The blade is not present.
Bay 14: The blade is not present.
Bay 15: The blade is not present.
Bay 16: The blade is not present.
Bay 9: Executing RIBCL request ...
Bay 2: Executing RIBCL request ...
Bay 10: Executing RIBCL request ...
Bay 3: Executing RIBCL request ...
Bay 1: Executing RIBCL request ...
Bay 1: Awaiting RIBCL results ...
Bay 11: Executing RIBCL request ...
Bay 9: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 2: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 10: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 1: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 3: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 1: RIBCL results retrieved.
Bay 11: An error occurred while executing the script on iLO. Please review the RIBCL results.
Bay 2: Awaiting RIBCL results ...
Bay 2: RIBCL results retrieved.
Bay 3: Awaiting RIBCL results ...
Bay 3: RIBCL results retrieved.
Bay 9: Awaiting RIBCL results ...
Bay 9: RIBCL results retrieved.
Bay 10: Awaiting RIBCL results ...
Bay 10: RIBCL results retrieved.
Bay 11: Awaiting RIBCL results ...
Bay 11: RIBCL results retrieved.
<!-- ======== START RIBCL RESULTS ======== -->
<!-- ======== Bay 1 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 2 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 3 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 9 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 10 RIBCL results ======== -->
Error writing xml_header
<!-- ======== Bay 11 RIBCL results ======== -->
Error writing xml_header
<!-- ======== END RIBCL RESULTS ======== -->