Active Directory : Join in Domain2021/12/02

	Join in Active Directory Domain from Other Windows Client computers. This example is based on Windows 11. On CUI Configuration, Execute Commands like follows.
[1]	Logon as a user who have local administrative privilege and configure like follows.

Windows PowerShell
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# display network interfaces
PS C:\Users\serverworld> Get-NetIPInterface -AddressFamily IPv4 

ifIndex InterfaceAlias                  AddressFamily NlMtu(Bytes) InterfaceMetric Dhcp     ConnectionState PolicyStore
------- --------------                  ------------- ------------ --------------- ----     --------------- -----------
3       Ethernet0                       IPv4                  1500              25 Enabled  Connected       ActiveStore
1       Loopback Pseudo-Interface 1     IPv4            4294967295              75 Disabled Connected       ActiveStore

# change DNS setting to refer to AD DS
PS C:\Users\serverworld> Set-DnsClientServerAddress -InterfaceIndex 3 -ServerAddresses "10.0.0.100" -PassThru 

InterfaceAlias               Interface Address ServerAddresses
                             Index     Family
--------------               --------- ------- ---------------
Ethernet0                            3 IPv4    {10.0.0.100}
Ethernet0                            3 IPv6    {}

PS C:\Users\serverworld> ipconfig /all | Select-String -Pattern "DNS" 

   Primary Dns Suffix  . . . . . . . :
   DNS Suffix Search List. . . . . . : srv.world
   Connection-specific DNS Suffix  . : srv.world
   DNS Servers . . . . . . . . . . . : 10.0.0.100

# join in domaon
# for [Serverworld] word, it's a domain user, replace to yours
# for [UserP@ssw0rd01] word, it's the password of the user specified above
PS C:\Users\serverworld> Add-Computer -DomainName srv.world -Credential (New-Object PSCredential("Serverworld", (ConvertTo-SecureString -AsPlainText "UserP@ssw0rd01" -Force))) 
WARNING: The changes will take effect after you restart the computer RX-78-3.

# restart computer
PS C:\Users\serverworld> Restart-Computer -Force 


# after restarting, verify to logon as a domain user
PS C:\Users\Serverworld.FD3S01> whoami 
fd3s01\serverworld

# make sure domain info (the command needs local administrative privilege)
PS C:\Users\Serverworld.FD3S01> Get-WmiObject Win32_NTDomain 

ClientSiteName          :
DcSiteName              :
Description             : RX-78-3
DnsForestName           :
DomainControllerAddress :
DomainControllerName    :
DomainName              :
Roles                   :
Status                  : Unknown

ClientSiteName          : Default-First-Site-Name
DcSiteName              : Default-First-Site-Name
Description             : FD3S01
DnsForestName           : srv.world
DomainControllerAddress : \\10.0.0.100
DomainControllerName    : \\FD3S
DomainName              : FD3S01
Roles                   :
Status                  : OK

Active Directory : Join in Domain (GUI)

	On GUI Configuration, Configure like follows.
[2]	Before setting, change DNS settings to refer to Active Directory Host.

[3]	Right-Click the Windows icon and select [System], then Click [Domain or workgroup] link.

[4]	Move to [Computer Name] tab and click [Change] button.

[5]	Check a box [Domain] and input domain name and next, click [OK] button.

[6]	Authentication is required, authenticate with a domain User in Active Directory.

[7]	After successfully authenticated, Welcome message is shown like follows. Restart the Computer once.

[8]	On the logon screen after restarting Computer, click [Other user] to switch Domain user to logon.

[9]	Authenticate with any Domain user.

[10]	Thst's OK if successfully logoned as a domain user.

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