You can modify the name of the data source server and the port number.
To modify the details:
From the web console, click ADMINISTRATION > Integration > Change Guardian
In the Data Sources section, click the Edit link for the data source server that you want to modify.
Make the necessary modifications.
(Optional) To change the proxy role on the data source server, complete the following steps:
Click View/Change.
Log in to the data source server.
Select a proxy role, then click OK.
Click Save.