This document covers the possible solutions in case of an error while upgrading from EEM 8.2 (with Ingres) to EEM 8.4 (without Ingres)
Possible Error Messages during a unsuccessful upgrade:
Could not migrate CA Directory to the latest version - Fatal error during installation.
Failed to uninstall caller id 'CA iTechnology iPoz'.Cannot delete Iglkdata: It is being used by another person or program.
Close any programs that might be using the file and try again
In case of any of the above error message being encountered during upgrade from EEM 8.2.x to EEM 8.4.x, follow the below procedure