The smkeyimport tool creates new four Agent Keys in the existing Key Store.
When running the smkeyimport tool, as the OIDs for the Agent Keys are different, it creats new Agent Keys object resulting in the duplicate set of Agent Keys.
To avoid this situation of the duplicate set of Agent Keys, follow the steps below.
How to Clean up a SiteMinder Key Store?
Tech Tip : CA Single Sign-On:: Policy Server : Best practice on importing Agent Keys