ORA Database Error Messages ORA-06781: TLI Driver: error reading negotation string July 10, 2015 mpbod ORA-06781: TLI Driver: error reading negotation string Cause: TLI encountered an error while awaiting the expected negotiation message during connection establishment. Action: Contact your customer support representative. 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)