Oracle Net Messages (TNS) TNS-00016 INTCTL: error while performing NS send command 8i/9i July 30, 2016 No Comments Cause: This is an internal NS error. Connection may be lost.Action: If the error persists contact Oracle Support Services. Solution doesn't works for you? POST your error in our discussion panel below. Our DBA team will be happy to help you :) Previous Post Next Post Leave a Reply This site uses Akismet to reduce spam. Learn how your comment data is processed.