old thread but we saw the same error so hope this helps others.  removing "period" and/or "space" from lastName field in LDAP resolved it for us.Arch

This link has quite a few CWMS presales resources including the A2Q questionnaire:http://www.cisco.com/en/US/partner/products/ps12732/products_partner_resources_list.html

Did you find an answer to this issue?  I'm running into the same lack of documentation problem.

Kevin...were you able to get this working?

i had the same issue while logged in with an Enterprise Admin...waited 20min (no other changes) and re-ran the wizard successfully.hope this helps.