ORA Database Error Messages ORA-12508: TNS:listener could not resolve the COMMAND given August 6, 2015 mpbod ORA-12508: TNS:listener could not resolve the COMMAND given Cause: d by incompatible Oracle Net or Net8 versions. Do not include in error manual. Action: This is not seen in normal use of Oracle Net. Back to previous menu https://support.oracle.com/ http://www.oracle.com/ 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)