Active Directory Migration from Windows Server 2016 to Windows Server 2019
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Active Directory Migration from Windows Server 2016 to Windows Server 2019
1. Prepare
– DC1 : Domain Controller(Yi.vn) running Windows Server 2016 | DC34 : Workgroup running Windows Server 2019
2. Step by step : Active Directory Migration from Windows Server 2016 to Windows Server 2019
– DC34 : Install an Additional Domain Controller and transfer FSMO from DC1
+ Join to Yi.vn – Restart server
+ Server Manager – Manage – Add Roles and Features – Next to Server Roles – Select ‘Active Directory Domain Services’ + DNS
– Add Features – Next and Install – Close
+ Click Notifications – Click ‘Promote this server to a domain controller’ – Select ‘Add a domain controller to an existing domain’
– Type the Directory Services Restore Mode (DSRM) password : Enter Password and Confirm password – Next to Install – Restart
+ Logon use account Yiadministrator – Start – cmd – Type : nltest /dclist:Yi.vn === Check Domain Controllers
+ Start – cmd, type : netdom query fsmo # check server has installed FSMO roles
+ Tranfer RID Master, PDC Emulator, and Infrastructure Masters :
+ Server Manager – Tools – Active Directory Users and Computers – Right-Click Yi.vn – Operations Masters… :
+ Tag RID : click Change… – Yes + Tag PDC : click Change… – Yes + Tag Infrastructure : click Change… – Yes
+ Tranfer Domain Naming Master :
+ Server Manager – Tools – Active Directory Domains and Trusts
– Right-Click ‘Active Directory Domains and Trusts[DC34.Yi.vn]’ – Operations Masters… – Click Change… – Yes
+ Tranfer Schema Master
+ Start – cmd, type : ‘regsvr32 schmmgmt.dll’ – mmc – File – add/Remove Snap-in… – Select ‘Active Directory schema’ – add – ok
– Right-Click ‘Active Directory schema[DC1.Yi.vn]’ – change Active Dectory Domain Controller… – Change to : Seclect DC34.Yi.vn – ok
– Right-Click ‘Active Directory schema[DC34.Yi.vn]’ – Operation Masters… – Click Change – Yes – Close
+ Start – cmd, type : netdom query fsmo # show server holding FSMO Roles is DC34 – OK
– DC1 : Demote Domain Controller
+ Server Manager – Manage – Remove Roles and Features – Server Roles : Untick ‘DNS Server’ + ‘Active Directory Domain Services’
– Remove Features – Demote this domain controller – Credentials : Tick ‘Force the removal of this domain controller’
– Warnings : Tick ‘Proceed with removal’ – New Administrator Password : Enter password and confirm – Demote – Restart
– DC34 : Check Domain Controllers again
+ Active Directory Users and Computers – Yi.vn – Domain Controllers Contain === Only DC34 === OK
+ Server Manager – Tools – Active Directory Sites and Services – Sites – Default-Fist-Site-Name – Servers
– Right-Click DC1 – Delete – Yes
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