Oracle - What TNS Names file am I using?
Sometimes I get Oracle connection problems because I can't figure out which tnsnames.ora file my database client is using. What's the best way to figure this out? ++happy for various platform solutions. stjohnroe Oracle provides a utility called tnsping : R:\>tnsping someconnection TNS Ping Utility for 32-bit Windows: Version 9.0.1.3.1 - Production on 27-AUG-20 08 10:38:07 Copyright (c) 1997 Oracle Corporation. All rights reserved. Used parameter files: C:\Oracle92\network\ADMIN\sqlnet.ora C:\Oracle92\network\ADMIN\tnsnames.ora TNS-03505: Failed to resolve name R:\> R:\>tnsping entpr01 TNS