How to increase RAM (memory) or CPU (processors) on a DCE VM

1. Gracefully shut down the DCE virtual appliance: In the DCE desktop client, go to File > Shut down server.

2. In your vSphere (VMware) virtual server settings, provide the new value for the amount of RAM (memory) or number of CPU (processors) desired.

3. Save the settings and power on the DCE virtual appliance.

See Complete update process for DCE