aaaggghhhh i just set it up at home and it works
using
ODD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = oracleserver)(PORT = 1521)))
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)
oracleserver is a host file entry pointing at the VM just like my work PC
Verdamt!