Migrating a domain controller from Windows Server 2003 (broken) and Windows Server 2012 (lame) to Windows Server 2019
The migration of this domain controller required AD expertise. The entire work was carried out in consultation with the client so as not to paralyze authentication in the company.
During the migration, steps were taken on an ongoing basis to select the most advantageous migration path (whether to install the system from scratch or migrate). Throughout the process, FSMO role verification, DFS replication, DFRS replication, and service migration took place. Often need to take into account the type of applications installed and the function of the server.
The whole operation had to be done by installing a temporary 2008R2, the use of additional 2012.
Thanks to the partnership (main.pl) and good cooperation with the client, the project was successfully completed.
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