look at this KB. I feel it will be valid for 5.0 as well.
VMware KB: Migrating and cloning fail from a local disk to an NFS share
in 5.0, you can find vpxa.cfg at following location.
/etc/vmware/vpxa/vpxa.cfg
look at this KB. I feel it will be valid for 5.0 as well.
VMware KB: Migrating and cloning fail from a local disk to an NFS share
in 5.0, you can find vpxa.cfg at following location.
/etc/vmware/vpxa/vpxa.cfg