Oracle Net Messages (TNS) TNS-00007 INTCTL: unknown host 8i/9i July 30, 2016 No Comments Cause: The pointer HOST is set to an unknown host name.Action: Set the pointer HOST properly and restart INTCTL program. 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.