Hi Elsa,
regarding transport pls refer to help.sap.com documentation here:
http://help.sap.com/saphelp_crm700_ehp02/helpdata/en/44/03d07381f14c60e1
0000000a155369/content.htm?frameset=/en/48/bbe9add6b3356be10000000a42193
7/frameset.htm
You can do this either in category modeler(WebUI) or by running report
CRM_ERMS_CAT_AS_IMPORT in transaction SE38 in the Target system, all
you have to do is define the RFC connections that are to be available
for importing schemas in Customizing by choosing Customer Relationship
Management # CRM Cross-Application Components # Multilevel
Categorization #Maintain RFC Destinations for Schema Import.
Regards,
Djuri