Run the following scripts in the order mentioned:

  1. perl SysAdmin.pl preun

  2. perl AppServer.pl preun

  3. perl Database.pl preun

  4. perl Core.pl preun

  5. perl Common.pl preun

  6. perl SysAdmin.pl postun

  7. perl AppServer.pl postun

  8. perl Database.pl postun

  9. perl Core.pl postun

  10. perl Common.pl postun