Modify Database Shared/Dedicated Connections

Newbie question - we're running Grid Control 10.2.0.4 on RHEL 4. I have quite a few databases on other servers configured via the Grid Control GUI. Recently we discovered Grid Control was connecting to these databases via a SHARED Oracle network connection, and I would like to change this to a DEDICATED one. However, none of these databases are listed in any of the .../network/admin/tnsnames.ora files, so I'm guessing there is somewhere else to configure this in Grid Control?
I've looked on this forum and searched through the Grid Control manuals, but for the life of me I can't find where/how to configure this, so I'm guessing that I'm probably looking with/for incorrect terminology. I'm okay with reading up on how to do this, but am just wondering if someone can point me in the right direction of where to read on this? Thanks in advance for any input!

Take a look at Metalink Doc ID 757339.1 "How to : Configure Grid Control Agent to Use Dedicated Server Processes".
The agent will automatically make use of shared server connections, if the database is running in the shared server mode. But it seems you can edite the targets.xml file from the agent side edit to use dedicated.

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    Mohamed ELAzab
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