A technician upgraded the memory on a server from two 8GB sticks to eight 32GB. The server memory is now at full capacity per the user guide. When the technician powers on the system, only 128 GB of memory is recognized by the OS and the BIOS. The technician decides to upgrade to the latest version of the firmware on the system, which does not help. Next, the technician installs the memory in sets of 64GB at a time. Each individual set of 64GB is fully recognized by the server. Which of the following will not allow the server to recognize all of the memory installed at the same time?
A. The power supply is not supplying enough power for the memory.
B. The memory has too many ECC errors and is shutting down
C. The server is overheating when all of the memory is installed.
D. The server needs DDR4 memory, and DDR3 is installed.