Windows Server Migration 2003 to 2016

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Introduction..

This article will give you the guidance to perform server migration from Windows server 2003 to Windows Server 2016. To make things easier entire tutorial is divided into 5 steps.

  1. Prepare Server 2003 for Migration
  2. Install Active Directory and promote (Server 2016)
  3. Confirm Replication & DNS in Server 2003 and 2016
  4. Transfer FSMO roles to the new server (Server 2016)
  5. Uninstall Old DC (Server 2003)

01. Prepare Server 2003 for Migration

In the Server 2003, Raise domain and forest functional levels to Windows Server 2003

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Raise Domain Functional Level
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Raise Forest Functional Level

02. Install Active Directory and promote (Server 2016)

Configure appropriate network settings. (Keep in mind that after server migration DNS server will be changed)

Join Server 2016 to the existing domain

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Install Active Directory

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Select Active Directory Domain Services and DNS server

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After Installation completes Select Promote This Server to a Domain Controller

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Keep the default Selection Add a domain controller to existing domain..

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Type DSRM password

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Click Install and Wait for a bit until installation completes and restarts

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03. Confirm Replication & DNS in Server 2003 and 2016

Replicate using Active Directory Sites and Services

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AD Sites and Services in Server 2016
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AD Sites and Services in Server 2003

Check DNS

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Server 2016 DNS
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Server 2003 DNS

04. Transfer FSMO roles to the new server (Server 2016)

There are 5 FSMO roles which you have to Transfer From server 2003 to the new server 2016. You can do that either using powershell commands or GUI.

  • Schema master
  • Domain naming master
  • RID master
  • PDC emulator
  • Infrastructure master

Type Netdom Query FSMO powershell command in the new server 2016 to check the current FSMO roles and their owner

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Transfer the RID master, PDC emulator and Infrastructure Master Roles

Server Manager > Tools > Active Directory Users and Computers

In the MMC right click on the domain name and select operations masters

Change all three of them

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Transfer domain naming master role

Server Manager > Tools > Active Directory Domains and Trusts

In the MMC, right click on Active Directory Domains and Trusts > Operations Master…

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Transfer schema master role

Type run command regsvr32 schmmgmt.dll and Press OK in the next window

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Type run command mmc

File > Add/Remove Snap-in…

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Add Active Directory Schema and Press OK

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Right click Active Directory Schema and click Change Active Directory Domain Controller

Select New Server 2016 from the list and Press OK

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Right click Active Directory Schema > Operation Master and Press Change

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Confirm that all the 5 FSMO roles have been moved to the new 2016 DC using Netdom Query FSMO command

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05. Uninstall Old DC (Server 2003)

Now it is time to get rid of the old DC.

Type DCPromo in the RUN

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Keep the default (do not tick Delete the domain because this server is the last domain controller in the domain)

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Type Password

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Click Next..

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Click Finish to End the Removal process

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Restart the Server

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Notice that In the Server 2016, old Server is moved From Domain Controllers to Computers

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Active Directory Users and Computers
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