What does destination host unreachable mean?
www.computerhope.com › issues › ch001483Aug 31, 2020 · What does destination host unreachable mean? Updated: 08/31/2020 by Computer Hope. This message is often encountered when running the ping, tracert, or other network command cannot communicate with the host you've entered. The following box contains two alternative versions of this same error: Unable to resolve target system name computerhope.com. Ping request could not find host computerhope.com.
ORA-12543: TNS:destination host unreachable
oracledistilled.com › oracle-databaseJul 16, 2010 · ORA-12543: TNS:destination host unreachable. Connectivity errors are common questions on Oracle related forums and in many cases they are highly misunderstood by the poster of the questions and some responders. This aim of this document is to show a method for diagnosis and resolution to a scenario in which an ORA-12543 is raised during the connection to a database.