An administrator is installing WebSphere Commerce V7.0 in a 3-tier environment. The installation fails
during the prerequisite check. Which one of the following caused the failure?

A.
The administrator is performing installation on AIX Version 6.1 (64-bit).

B.
The administrator is performing installation on Windows XP Service Pack 3.

C.
The administrator had already installed WebSphere Commerce V6.0 on the machine.

D.
The administrator has not configured required kernel parameters on the Solaris machine.