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Updating the tnsnames.ora file

When creating an Oracle instance, you must add entries to the tnsnames.ora Oracle network configuration file. The tnsnames.ora file contains network configuration parameters that enable the Oracle Client to connect with the database server by using an alias. This file is located in the ORACLE_HOME/network/admin directory.

When you make your entries for the CIS software, the TNSnames entries in the tnsnames.ora file for the CIS databases and the Clintrial databases must be the same on all CIS computers. Therefore, you cannot have a different alias on each CIS computer.

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