ad migration

I have 40 active directories. I want to migrate all these domains to single domain. . I want to know what are the requirements I need to study
aarun_tcsAsked:
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Mike KlineCommented:
You want to collapse 40 domains...big job.  You need to start looking into the ADMT tool and guide from Microsoft

http://blogs.technet.com/b/askds/archive/2010/06/19/admt-3-2-released.aspx

Do you have money for a third party migration tool/consulting hours?  If you do you can look at Quest http://www.quest.com/migration-manager-for-active-directory/  there are also other third party products...again definitely not free.

You will also want to build a decent test lab and test test test.  Pay attention to applications as they are often the toughest part of a migration.

Remember this is a long term project; don't expect to collapse 40 domains in a few months.

Thanks

Mike
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aarun_tcsAuthor Commented:
Dear mike,

Do we have pre migration checklist
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Mike KlineCommented:
There are checklists in the ADMT guide

http://www.microsoft.com/en-us/download/details.aspx?id=19188

Thanks

Mike
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