Overview

While experiencing issues with low performance and hardware device crashing, certain parts of the Kerio Control box might be replaced. This commonly includes RAM upgrade or replacement, HDD change.

Important: this guide does NOT apply for NG100/NG100W boxes as all the parts are tight to the motherboard.

Prerequisites

Experience with hardware disassembling (laptops, PCs, network devices, etc)

Information

NG300/NG300W boxes support up to 8 GB of RAM. It has 1 slot preinstalled, with 4 GB Innodisk DDR3L 1333 SODIMM stick already installed.

Procedure

Warning: To reduce the risk of personal injury, electric shock, or damage to the equipment,
remove the power cord to remove power from the server. The back panel Power On/Standby
button does not completely shut off the system power. Portions of the power supply and some internal
circuitry remain active until AC power is removed.

1. Remove the external cover with a standard PH1 x 75mm or PH1 x 100mm screwdriver: 3 screws at the left and right panels, 1 screw at the bottom panel.
   
   
   
   
   
2. Now you have access to the internal parts of the box.
   
3. To replace/upgrade RAM, remove the HDD caddy. It is beneath the main part (named Apacer). Remove 3 screws at the perimeter (grey metal rack) and 4 screws for the HDD caddy (black caddy).
   
   

   Note: you will need a smaller size screwdriver to remove HDD screws.

4. Pull the gray rack as it is glued to the device. Beneath it, you will see 1 RAM slot.
   
   
   
5. Add a new 4 or 8 GB RAM stick.
6. (Optionally) Replace the caddy or disk itself. The preinstalled storage is 32 GB SSD (CF card Type II) connected via SATA.
7. Assemble the box to the starting point (backward procedure).
8. Switch on the device.
9. Verify the RAM is upgraded in Dashboard and System Health Webadmin settings.
   
   
   

Important Considerations

• RAM upgrade may require BIOS tweaks. You will need to access the box via serial console. However, it's expected the Linux OS will pick up the RAM increase automatically.
• The HDD replacement needs a complete system restore (kerio-control-rescue). For more information, please refer to Restoring Kerio Control NG series.
• The box warranty is NOT affected by disassembling or upgrading the mentioned parts (RAM, HDD). We strongly recommend that you have previous experience with such procedures in the past.
• If the box is set as an RMA, you should remove the replacement RAM module and put back the original.