There can be various of an ORA-2019 - connection description for remote database not found error.
To help we need further information -
- tnsnames.ora entry used for the database link
- listener.ora to which the database link is attempting to connect
- create database link statement
- are you trying to connect to an Oracle database or to an Oracle gateway ?
Edited by: mkirtley on Aug 28, 2012 4:30 PM