Migrating Custom Attributes using ADMT

Question

Migrating Custom Attributes using ADMT

Johnny Burton 1 Microsoft Employee

My customer would like to use the Active Directory Migration Tool (ADMT) to perform an inter-forest migration of user accounts. Their Active Directory scheme attributes have been extended on the host domain and are not being copied to target Active Directory across a domain part of a different forest. They are able to successfully migrate the custom attributes over though when migrating a user from one domain in the forest to another domain in the same forest (Intra-Forest migration) but not when performing an inter-forest migration.

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Answer 1

Hi,

There are various guides on how to use the ADMT. Please see the link below:

https://www.microsoft.com/en-gb/download/details.aspx?id=19188

This may also be of help:

https://learn.microsoft.com/en-us/answers/questions/287257/admt-interforest-migration-w2012-to-w2019.html

I hope this answers your question.

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Answer 2

Amit Singh 5,306

Overview

Create the new domain/forest.
Create a trust between the old and the new
Migrate the users from the old to the new (ADMT 3.1 or older***)
Break the trust
Kill the old forest

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Migrating Custom Attributes using ADMT

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