During rechecking of BZ 287071 for sat, I find this one.
Description of problem:
Client Configuration Guide 5.1.0
and click on any link
and you got:
Page Not Found
The page you requested, /rhn/help/client-config/ch-intro.jsp, was not found.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
Appears to be duplicate of bug 438371.
*** This bug has been marked as a duplicate of 438371 ***