The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

2.1.2 Kdump Service Can Be Enabled by Using system-config-kdump Under UEK R4

The system-config-kdump utility failed to enable the kdump service when run under UEK R3. The issue is resolved in UEK R4.

(Bug ID 21300512)