Deleting the VNA integration from the VNA administration page is failing.
Errors seen when attempting to delete in the Tomcat catalina.out/stdout.log
MMM DD, YYYY HH:MM:SS.### - IOException: Connection refused: connect
MMM DD, YYYY HH:MM:SS.### - Could not fetch the model handle of the selected VNA : java.lang.NumberFormatException: For input string: "########"
DX NetOps Spectrum all supported releases
Delete the SDN gateway models from OneClick.
This also remove's them from the administration page
NOTE: This deletes all VNA items associated to the gateway