NZE Database Error Messages NZE-29000: Certificate not installed August 19, 2015 mpbod NZE-29000: Certificate not installed Cause: Trying to delete a certificate which has not been installed. Action: Refer to the Oracle Wallet Manager documentation for information about delete option. Back to previous menu Share this:Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pocket (Opens in new window)