Installation prompts dialog: Failed to connect to database. Ignore?

The installer was unable to connect to the database using the information provided.

For more information on troubleshooting the installer, see Troubleshooting Failure to Connect to Database During Installation.

Siebel Smart Answer Server fails to start with an exception stating that it could not start the Postgres sub-process.

The Siebel Smart Answer Server (particularly the internal PostGres database) was not shut down cleanly and was corrupted.

For more information on troubleshooting the Oracle's Siebel Smart Answer Server, see Troubleshooting Failure of Siebel Smart Answer Server to Start.

Siebel Smart Answer Server fails with an exception "java.lang.NoClassDefFound"

The wrong version of java is being invoked.

For more information on troubleshooting Java version problems, see Troubleshooting Java Version Errors for Siebel Smart Answer Server.

When trying to restore a backup .sab file inside the Siebel Smart Answer Administration Tool, the restore fails with an exception that there are duplicate keys in the database.

The knowledge base is corrupt and needs the database to be reset.

For more information on troubleshooting the Oracle's Siebel Smart Answer Server, see Troubleshooting Failure of Siebel Smart Answer Server to Start.