Install Oracle Client 12c Jun 2026

Open the extracted folder, right-click setup.exe , and select . Select Installation Type:

Minimum 2 GB of physical memory. Sufficient virtual memory (swap) At least 10 GB of free disk space. YouTube·Tech Tips Unlimited install oracle client 12c

Antivirus software may interfere. Temporarily disable it. Open the extracted folder, right-click setup

Set LD_LIBRARY_PATH (Linux) or PATH (Windows) to point to ORACLE_HOME/bin . Open the extracted folder

| Issue | Solution | |----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------| | ORA-12154: TNS:could not resolve | Check TNS_ADMIN environment variable; ensure tnsnames.ora syntax is correct. | | ORA-12514: TNS listener does not know service | Verify database service name with lsnrctl services on DB server. | | sqlplus: command not found | ORACLE_HOME/bin not in PATH . | | DLL load failed (Windows) | Install Visual C++ Redistributables (2013 and 2017). | | libaio.so.1: cannot open shared object (Linux) | yum install libaio | | Inventory conflict | Delete /u01/app/oraInventory or use -invPtrLoc flag to point to another inventory location. |