Setting Up an ABAP Services Registry 
You can set up any ABAP system as a Services Registry to register Web services.
Prerequisites
You use SAP NetWeaver 7.02, Service Package 08 or higher.
You have the role: SAP_BC_WEBSERVICE_CONFIGURATOR. For more information, see SAP Note 1318883.
Procedure
In SOA Manager (transaction code SOAMANAGER), on the Services Registry tab, choose Services Registry.
On the Administration tab, select the provider interfaces and save.
Result
The provider interfaces of the Services Registry are now configured. Consumers can now set up connections and publish services in the Services Registry.