What is the BEST method to reinstall the Server and keep its critical configuration?

Your R71 enterprise Security Management Server is running abnormally on Windows 2003 Server. You decide to try reinstalling the Security Management Server, but you want to try keeping the critical Security Management Server configuration settings impact (i.e , all security policies database, SIC, licensing etc). What is the BEST method to reinstall the Server and keep its critical configuration?

A.
1) Run the latest upgrade_export utility to export the configuration
2) Leave the exported – tgz file in %FWDIRbin.
3) Install the primary security Management Server on top of the current installation
4) Run upgrade_import to Import the configuration.

B.
1) Insert the R71 CD-ROM. and select the option to export the configuration into a . tgz file
2) Skip any upgrade verification warnings since you are not upgrading.
3) Transfer the. tgz file to another networked machine.
4) Download and run the cpclean utility and reboot.
5) Use the R71 CD_ROM to select the upgrade__import option to import the c

C.
1) Download the latest upgrade_export utility and run it from a temp directory to export the Configuration.
2) Perform any requested upgrade verification suggested steps.
3) Uninstall all R71 packages via Add/Remove Programs and reboot
4) Use smartUpdate to reinstall the Security Management server and reboot
5) Transfer the .tgz file back to the local temp.
6) Run upgrade_import to import the configuration.

D.
1) Download the latest upgrade_export utility and run it from a temp directory to export the Configuration.
2) Transferee .tgz file to another network machine
3) Uninstall all R71 packages via Add/Remove Programs and reboot
4) Install again using the R71 CD ROM as a primary security management server
5) Reboot and than transfer the .tgz file back to the local tem p
6) Run upgcade_import to import the configuration.