In this post, you’ll learn more about the Oracle ErrorDGM-17000: Two or more instances have the name “string” with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
DGM-17000: Two or more instances have the name “string”
Reason for the Error DGM-17000: Two or more instances have the name “string”
The named instance exists on more than one database.
How to fix the Error DGM-17000: Two or more instances have the name “string” ?
You can fix this error in Oracle by following the below steps
Use the ON DATABASE clause and reissue the command.