Security contents redesing

Hi,

we need to complete redesign user group structure, universe folder structure, report folder structure and access levels or how see what.

The system now is live in production environment with two windows servers in cluster, with the same FSR on a NAS. Our version is BO XI 3.1 SP5

I want to use this procedure:

1. in Time1, ask to users to export all web intelligence rich client report from C:\ to Favorites or in Public folder
2. copy FSR and Repository DB from production environment (with SIA stopped) to a new virtual machine windows server with the same BO version
3. work for approx a month on the virtual machine moving and renaming groups, folders, report and universe and defining new security relations from new user group to new folders (a new security matrix); all reports in personal folder are not moved
4. test the result on the virtual machine
5. in Time2, back up users webi reports created after the copy at Time 1 - point 2 (asking to users to save on C:\ with web intelligence rich client "for all users" and "removing security")
6. install on the virtual machine production IT Projects deployments gone from Time1 to Time2 using new security matrix
7. copy FSR and Repository DB from virtual machine to production environment (previous back up of FSR and Repository DB in production environment for security reasons)

I know that this procedure can create a problem with server names stored inside different DB Repository. I can ignore this issue?

If I don't use this procedure I need to use the Import Wizard to load contents from production environment to the virtual machine, work on the virtual machine, install IT Projects deployments gone from T1 to T2, use Import Wizard to load contents from virtual machine to production. In this scenario how can I delete all contents from production environment in a single click?

At the end, I need to align 4 other BO environments (development, test x2 and pre-production)

Only the production environment has two server on cluster, the other environments has only one server.

Many thanks

M