OpenManage 5.4.0 install error on XenServer 4.1.0

When installing OpenManage package OM_5.4.0_ManNode_A01.tar.gz onto XenServer 4.1.0 I received the following error:

Starting DSM SA Connection Service: which: no lockfile in (/usr/local/sbin:/sbin:/bin:/usr/sbin:/usr/bin)
invcol Error: Cannot find utilities on the system to execute Inventory Collector.
Make sure the following utilities are in the path: tar gzip tail rm mkdir chmod ls basename wc lockfile stat

...however, OpenManage does seem to be working correctly (I'm a Dell newbie, so maybe I'm missing something).  Does this 'lockfile' issue present any problems or can I safely ignore it?  Thanks for any assistance.