This led to success .........


AWGCDP1.mag.co.uk =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = UKP-WNXY3XG69G2.mag.co.uk)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = awgcdp1.mag.co.uk)
)
)

Thanks all!!!