前言
簡單來說，最近有需求要先檢查使用者帳號是否存在於 DC
網域控制站內，所以就產出這篇筆記了。 😁
Option 1 執行結果
執行後，直接把結果顯示在 PowerShell 視窗中，檢查到使用者帳號存在就綠色字體顯示，檢查到使用者帳號不存在時就紅色字體顯示。
Option 2 執行結果
執行後，直接把結果寫入至筆記本檔案內，檢查到使用者帳號存在的部份匯出至「今天日期_UsersList_OK.txt」檔案內，檢查到使用者帳號不存在的部份匯出至「今天日期_UsersList_not_exist.txt」檔案。
PowerShell Code
下列是這次實作的 PowerShell。
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| # ================================================================== | |
| # Author: Weithenn Wang (weithenn at weithenn.org) | |
| # Version: v0.1 - June 16, 2021 | |
| # Description: Check whether the user exists in AD or not | |
| # ================================================================== | |
| # Read users list | |
| $Users_List = Get-Content -Path C:\tmp\UsersList.txt | |
| $Today = Get-Date -Format "yyyyMMdd" | |
| # Option 1: Check whether the user exists in AD or not | |
| foreach ($User in $Users_List){ | |
| If (Get-ADUser -Filter {SamAccountName -eq $User}){ | |
| Write-Host "$User - OK!" -ForegroundColor Green | |
| } else { | |
| Write-Host "$User - account does not exist in AD" -ForegroundColor Red | |
| } | |
| } | |
| # Option 2: Check whether the user exists in AD or not and export result | |
| foreach ($User in $Users_List){ | |
| If (Get-ADUser -Filter {SamAccountName -eq $User}){ | |
| $User | Out-File -FilePath C:\PowerCLI\"$Today"_UsersList_OK.txt -Append | |
| } else { | |
| $User | Out-File -FilePath C:\PowerCLI\"$Today"_UsersList_not_exist.txt -Append | |
| } | |
| } |