The session failover configuration script (/opt/sun/identity/bin/amsfoconfig) has incorrect permissions and is not executable on Linux 2.1 system.
Workaround: Change the permissions to make the amsfoconfig script executable (for example, 755).
This problem is fixed in patch 1. See Access Manager 7 2005Q4 Patch 1 for information about applying the patch for your specific platform.