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Migration from multiple domains

wel5056
over 5 years ago

We are doing a massive migration of users and computers from 60 (+/-) domains into a central enterprise AD (300,000 + users).  The question is about user mapping - meaning building the SID history table between source domain and target domain.  We are only migrating the SID from source to SID History of destination, no other user attributes will be migrated. 

Our question is if we run a sessions with users from one domain then another user session from a second domain, then migrate computers from the first domain, will the profiles be processed correctly on those systems or will the second user session over write the first session?

I hope that makes sense.

Thanks in advance.

  • 0 over 5 years ago

    Yes, your question makes sense. 

    Mapping data is always source to target. So reguardless of how many migration sessions you run or the order you run them, will have no impact on how a profiles will be processed. 

     ADditiomally you can create a custom map that contains a sub set of the overall project mapping data.    Migration manager will also write the two service attributes.

    It should be noted that sidhistory will not provide value until the users authenticate using the new accounts.  In some cases, target hosts applications can be negatively impacted is it exists prior to the users actually needing it.