Oracle 12c installation hangs at 83% for a while, then it crashes with error:
ORA-12560:TNS:Protocol adapter error
Oracle 12c has issues with installation in the virtual environment.
For more information please check this article.
- Shutdown the virtual machine.
- Open the virtual machine configuration.
Switch to Hardware tab > Boot Order > drop down Advanced settings and paste the following line to Boot flags box:
- Start the virtual machine and install Oracle 12c