Does SQL running in a virtual machine (vmware) automatically uses additional physical memory added to the host without any further configuration?

Hi. We are having a perform issue running SQL 2005 32 bits in a vmware virtualized machine. We changed windows server 32 bits OS host machine for 2008 64 bits and added additional physical memory to it. The host was on 4 Gb and we upgraded to 12 Gb. We want to know if it is necessary doing any configuration on the vmware or if the SQL will automatically use the extra installed memory.

Joe

José