Step by Step Active Directory Migration from Windows Server 2008 R2 to Windows Server 2016.

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In this blog, we’ll move the roles on our Server2008 (Windows Server 2008 R2 SP1) Active Directory Migration server to Server2016 (new Windows Server 2016 Standard)

Before proceeding to migration an Active Directory from Windows Server 2008 R2 to Windows Server 2016, you want to first install Windows Server 2016 on a replacement machine which can then be promoted to Active Directory Server 2016.

Migration Server 2008 to Server 2016

1- Install Windows Server 2016.

How to Install Windows Server 2016 so, Click here

2- Rename Windows Server 2016.

How to rename Windows Server 2016 so, Click here

3- Configure the IP Addresses in Server 2016.

The next step is to configure the IP and therefore the DNS Addresses on the new server.

                           Windows Server 2008 R2           Windows Server 2016

Computer Name:             Server2008                            Server2016

Domain Name:              xpertstec.local

IP Address (Static):          10.0.0.20                                10.0.0.25

Subnet Mask:                255.255.255.0                       255.255.255.0

Default Gateway:            10.0.0.1                                  10.0.0.1

Preferred DNS Server:   10.0.0.20                                 10.0.0.20

4- First, let’s have a glance at my environment. we have a domain controller xpertstec.local which is installed on Windows Server 2008 R2.

active directory users and computers server 2008

Raise the Forest Functional Level and Domain Functional Levels in Windows Server 2008 R2.

5- Click Start button, select Administrative Tools and then Active Directory Domains and Trusts.

server 2008 administrator tools

6- Right click Active Directory Domains and Trusts and then choose Raise Forest Functional Level.

active directory domains and trusts

7- Select an available forest functional level Windows Server 2008 R2 and then click on Raise.

raise forest functional level

8- Click OK.

raise the forest functional level

9- The functional level was raised successfully so, click on ok.

forest functional level raised successfully

Now Raising the Function Level of the Domain

10- Right-click on the name, (xpertstec.local) and then click on Raise Domain Functional Level.

server 2008 raise domain functional level

11- It has already got raised the Domain Functional Level to Windows Server 2008 R2 so, click on Close.

current domain functional level

12- Type the Netdom query fsmo command to see which server has installed FSMO roles.

netdom query fsmo command 2008

13- DNS Manager screen.

dns manager server 2008

14- The IP address of our Active Directory Domain Controller Windows Server 2008 R2.

internet protocol properties

15- The IP address of the Windows Server 2016.

internet protocol properties

16- On our Windows Server 2016 server so, we will ping and access our Domain Controller server

command prompt

Join Windows Server 2016 to an Active Directory Domain Controller.

17- The thanks to Join Windows Server 2016 to an Active Directory Domain, Click here

18- Our server2016 has successfully joined the domain. Server2008 on our AD server so, we will see the status within the Computers.

active directory users and computers  computers

Migration Server 2008 to Server 2016

Now check in Windows Server 2016 with the domain administrator account.

19- Create an Additional Domain Controller (ADC) In Windows Server 2016.

How to Create an Additional Domain Controller (ADC) In Windows Server 2016, so please Click here

20- Now have a glance at my active directory Domain Controllers Server2008 so, we will now see that our server Server2016 is within the domain role.

active directory users and computers  computers

21- within the Server Manager, we will see the AD DS Roles.

server manager 2016 ad ds

22- within the Start menu, we will see shortcuts and management components for Active Directory management.

server 2016 start menu

23- Our Active Directory services are running smoothly.

server 2016 local services

24- DNS Manager Screen.

dns manager server 2016

25- In the Active Directory Sites and Services screen.

active directory sites and services

Transferring the Flexible Single Master Operations (FSMO) Role.

I have a Windows Server 2008 Domain Controller (server2008) and have a further Windows Server 2016 domain controller (Server2016). to finish the migration, we’d like to transfer 5 FSMO roles to the new domain controller.

  1. Schema Master
  2. Domain Naming Master
  3. PDC
  4. RID pool manager
  5. Infrastructure Master

26- To seek out which server is currently holding FSMO. so, run the subsequent command, netdom query fsmo

The FSMO roles are currently within the Windows Server 2008 R2 domain controller server name (server2008)

netdom query fsmo command server 2008

Using the Active Directory Schema snap-in to transfer the Schema Master role

27- Open prompt in administrative mode and sort regsvr32 schmmgmt.dll

server 2016 regsvr32 command

Transfer Operations Master Role

28- On the Server2016 server so, open Active Directory Users and Computers, right-click on local domain xpertstec.local and then click on Operations Masters.

active directory 2016 operations master

29- On the Operations Masters and Select the RID tab and then choose the Change button.

active directory server 2016 operations master rid

30- Click Yes.

active directory server 2016 operations master role

31- The operations master role was successfully transferred. so, click on ok.

active directory server 2016 operations master transferred role

32- Now you can Verify that Operation master now transferred to our new Server SRV2016.xpertstec.local

active directory server 2016 operations master rid

33- On the Operations Masters and then select the PDC tab and choose the Change button.

active directory server 2016 operations master pdc

34- Click Yes.

active directory server 2016 operations master transfer role

35- The operations master role was successfully transferred, so click on ok.

active directory server 2016 operations master transferred role

36- Now Verify that Operation master now transferred to our new Server SRV2016.xpertstec.local

active directory server 2016 operations master pdc

37- On the Operations Masters and select the Infrastructure tab and then choose the Change button.

active directory server 2016 operations master infrastructure

38- Click Yes.

active directory server 2016 transfer role

39- The operations master role was successfully transferred, so click on ok.

active directory server 2016 operations master roles transferred

40- Now Verify that Operation master is now transferred to our new Server SRV2016.xpertstec.local

active directory server 2016 operations master infrastructure

41- Open Server Manager, select the Dashboard tab, select Tools and then click Active Directory Domains and Trusts.

windows server 2016 dashboard, tools

Change Domains and Trusts roles from server 2008 to 2016

42- Right-click Active Directory Domains and Trusts and then choose to change the Active Directory Domain Controller.

domains and trusts operation master  server 2016

43- Select this Domain Controller or AD LDS Instance. Click on the domain controller that you simply want to be the schema master role and then click on ok.

change directory server server 2016

44- Right-click Active Directory Domains and Trusts and then choose Operations Master.

domains and trusts operations master

45- Select Change.

server 2016 domain naming operations master

46- Click YES.

domains and trusts role transfer

47- The operations master was successfully transferred, so click on ok.

domains and trusts role transfered

48- Confirmed the domain naming operation master role and click on Close.

server 2016 domain naming operations master

49- Now we’d like to move our Schema Master role. So, we’d like to register the schmmgmt.dll open prompt and run the command below. Regsvr32.exe C: windows system32 schmmgmt.dll

schmmgmt command

50- the method was completed successfully and then click on ok

regsvr32 command

51- To open Microsoft Management Console mmc type mmc and then hit enter.

mmc command

52- Click File and then choose Add/Remove Snap-in

server 2016 add remove snap-in

53- From the left side, under Available Snap-ins, Select Active Directory Schema, then click Add and then click on ok.

server 2016 add remove snap-in

54- Right-click Active Directory Schema, and then choose Change Active Directory Domain Controller.

Console

server 2016 console root

55- Select this Domain Controller or AD LDS Instance, click on the domain controller that you simply want to be the schema master role and click on ok.

change directory server server 2016

56- Click OK.

change directory schema snap-in

57- within the console1, right-click on Active Directory Schema (SRV2016.xpertstec.local) and choose the Operations Master.

change directory schema operations master

58- Click Change.

change schema master

59- Click Yes.

change directory change schema master

60- Operations Master successfully transferred and click ok.

change directory schema transferred

61- Now confirm your current schema master which is Server2016 and click on Close.

change schema master

62- Now run the Netdom query fsmo command, we will now see that our roles are moved to our Windows Server 2016 Additional Domain Controller.

netdom query fsmo server 2016 command

63- Now have a glance at the status of replication after moving the roles. once we run the repadmin / showrepl command for this process.

repadmin shorep command

64- Now we need to change the DNS address of our additional Domain Controller server to be the IP address of our Windows Server 2016 Domain server.

internet protocol properties

Now the final step is to remove (uninstalling) server2008 Active Directory domain controller.

Remove Active Directory Domain Controller 2008

65- Open prompt type dcpromo and hit Enter.

dcpromo command prompt

66- Click Next.

run dcpromo server 2008

67- The Active Directory domain controller is a global catalog service, make sure your primary DC also has the service enabled and click the ok button.

active directory installation wizard

68- Confirmed that Delete the domain because this server is the last domain controller in the domain is UNCHECKED and click next.

active directory installation wizard 2008

69- Type a password for the new Administrator account on this server and click next.

active directory install password

70- Review the summary and click next.

active directory 2008 installation wizard

71- Check the Reboot on completion box to restart the server after the service has been removed.

active directory 2008 setup dcpromo

72- After rebooting the server2008 Domain Controller Login with the local administrator account and open Server Manager.

server 2008 start menu

73- In Server Manager click Roles under Roles Summary and click on Remove Roles.

server manager 2008

74- Remove Roles Wizard, click next.

server 2008 remove roles wizard

75- Uncheck Active Directory Domain Services and DNS Server and click on next.

server 2008 remove roles dns server

76- Click Remove.

server 2008 confirm remove roles

77- Click Close.

server 2008 remove roles results

78- does one want to restart now, click Yes.

server 2008 uninstalling domain

79- After rebooting server Log back to server2008, active directory domain services removal succeeded and click on Close.

server 2008 roles removal results

Disjoin the machine from the domain.

80- Select Server manager, Under Server Summary, click Change System Properties.

server manager 2008

81- On the System Properties, click Change.

system properties change name

82- Select Workgroup type during a workgroup name and click on ok.

server 2008 name workgroup

83- Warning message, click ok.

server 2008 computer name change

84- Welcome to the workgroup, and then click ok.

server 2008 welcome workgroup

85- Click ok to restart the server.

server 2008 how to rename

86- System Properties, click Close.

system properties sever 2008

87- Click Restart Now or Restart Later and then shut down this server.

how to rename server 2008

For more details click here

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