JON did not verify that a user had the proper modify resource permissions when they attempted to delete a plug-in configuration update from the group connection properties history.
JON (RHQ) BZs:
This issue has been resolved in JON 3.0. A fix for this issue may be included in a future update for JON 2.4.1.
This issue has been addressed in following products:
JBoss Operations Network 2.4.2
Via RHSA-2012:0089 https://rhn.redhat.com/errata/RHSA-2012-0089.html