Connecting Oracle 19 to SQL Server Issue

From: Scott Canaan <>
Date: Tue, 13 Aug 2019 13:06:12 +0000
Message-ID: <>

I just upgraded an Oracle database from to 19. Now the connections via the heterogeneous connections don't work. I've copied all of the .ora files into the new $ORACLE_HOME/hs/admin directory. I've updated the listener.ora file to use the new 19c Oracle home and restarted the listener.

I did not have a new SQL Server ODBC driver installed. From what I can see that hasn't changed, the most recent one is "ODBC Driver 17 for SQL Server". If there's a newer one, I can't find it.

When I do a tnsping, I get "TNS-12541: TNS: no listener", but there is a listener. I can see the entries when I do a status.

What have I missed? Obviously there's something.

Scott Canaan '88
Sr Database Administrator
Information & Technology Services
Finance & Administration
Rochester Institute of Technology
o: (585) 475-7886 | f: (585) 475-7520<> | c: (585) 339-8659

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Received on Tue Aug 13 2019 - 15:06:12 CEST

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