
ODBC users should follow the ODBC Installation Instructions. Then set the environment variable TNS_ADMIN to that directory name. This is the default Oracle client configuration directory for applications linked with this Instant Client.Īlternatively, Oracle client configuration files can be put in another, accessible directory. If you intend to co-locate optional Oracle configuration files such as tnsnames.ora, sqlnet.ora, ldap.ora, or oraaccess.xml with Instant Client, then create a subdirectory such as C:\oracle\instantclient_19_3\network\admin.Instant Client 12.1 requires the Visual Studio 2010 redistributable. Instant Client 18 and 12.2 require the Visual Studio 2013 redistributable.

Instant Client 19 requires the Visual Studio 2017 redistributable.

See the Instant Client Home Page for more information about Instant Client packages.Ĭlient-server version interoperability is detailed in Doc ID 207303.1. Instant Client Installation for Microsoft Windows 64-bit
