Cross Forest migration

We need to migrate user and computer accounts from one forest to another.
Existing forest is oldcompany.com and the accounts are located in
userdomain.oldcompany.com. The new forest will be a single domain forest
called newcompany.com. Userdomain.oldcompany.com is a W2k3 domain running at
Windows 2000 native level and newcompany.com domain will be at Windows 2008
ADDS running at W2K3 native mode.

Once we migrate the user and computer accounts, will we have to make any
changes on the computers so that they can login into the new domain?

The oldcompany.com domain has an existing DNS zone for newcompany.com and
they will need to maintain that zone during migration to keep services up
and running. Will that have an impact on the migration plan since both
domains will have a zone for newcompany.com with different IP's?

Hello Randy,

Have a look at ADMT V3.1:
http://blogs.dirteam.com/blogs/jorge...rver-2008.aspx

Migration guide:
http://www.microsoft.com/downloads/d...displaylang=en

Download:
http://www.microsoft.com/downloads/d...DisplayLang=en

Best regards

Meinolf Weber
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> We need to migrate user and computer accounts from one forest to
> another. Existing forest is oldcompany.com and the accounts are
> located in userdomain.oldcompany.com. The new forest will be a single
> domain forest called newcompany.com. Userdomain.oldcompany.com is a
> W2k3 domain running at Windows 2000 native level and newcompany.com
> domain will be at Windows 2008 ADDS running at W2K3 native mode.
>
> Once we migrate the user and computer accounts, will we have to make
> any changes on the computers so that they can login into the new
> domain?
>
> The oldcompany.com domain has an existing DNS zone for newcompany.com
> and they will need to maintain that zone during migration to keep
> services up and running. Will that have an impact on the migration
> plan since both domains will have a zone for newcompany.com with
> different IP's?
>