Originally posted by st2000
I am able to see that the OEM could discover the node after I put in the IP address of the machine. Then when I tried to connect, it gives me an error of ora-12545 and says the db does not exist..
To better undestand, could you tell me at what point exaclty, you were getting the errror?

Where have you setted the OMS?

On the database discovery, you would specify the SID and not the service name. The port is normally 1521


BTW, No formal naming pl. !

Sam