Use the putGlobalConfigRecord operation of the Configuration Web Service to load the GCR.
<config-service:configTransaction xmlns:config-service="http://www.endeca.com/MDEX/config/services/types/1/0" <config-service:OuterTransactionId>${OUTER_TRANSACTION_ID}</config-service:OuterTransactionId> <config-service:putGlobalConfigRecord xmlns:mdex="http://www.endeca.com/MDEX/XQuery/2009/09"> $xmlString </config-service:putGlobalConfigRecord> </config-service:configTransaction>