OID/OVD Metrics Unavailable in Enterprise Manager 12c Cloud Control

To monitor targets, monitoring Credentials should be set up correctly.

ISSUE

OID/OVD metrics are unavailable on OEM 12c Cloud Control. But other targets metrics are shown fine . The incident is created by OID/OVD instance with message:

The following exception has occurred:
Can’t resolve a non-optional query descriptor property [password] (password)

SOLUTION

The “Monitoring Credentials” is not configured or invalid. Set the Monitoring Credentials in EM Cloud Control, via Setup > Security > Monitoring Credentials:

1) Select “Oracle Internet Directory”

2) Click “Manage Monitoring Credential”

3) Select “LDAP Credentials” for the respective OID

4) Click “Set Credential”

5) Enter the password/confirm password.