With all due respect, this appears to be similar to being asked to build a house, being handed a hammer, and told to get started, without any house plans and never having built a house before...
I suggest you raise your concerns with management.
Edit: The first step in a migration is to assess the SAS content of the existing installation. IMHO you can't proceed until you have done this. The SAS 9 Content Assessment Toolset is the recommended approach.
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