How to find the Sharepoint Configuration Database connection string

I come across this small issue sometimes and I thought I would write a quick note on it.

Ever wondered where does Sharepoint saves its configuration database connection information? Sharepoint 2007 saves its connection string for configuration database in registry and you can change it easily if you have moved your configuration database from one server to another.

Following is the registry path
My Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\12.0\Secure\ConfigDb
and our required key is dsn