User: New-ADUser : The server is unwilling to process the request
At C:\Users\Administrator\Desktop\test.ps1:25 char:9
+         New-ADUser -Name $username -SamAccountName $username -UserPri ...
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (CN=tommy,OU=Users,DC=domain,DC=com 
   :String) [New-ADUser], ADException
    + FullyQualifiedErrorId : ActiveDirectoryServer:0,Microsoft.ActiveDirectory 
   .Management.Commands.NewADUser
 
Assistant: The error message "The server is unwilling to process the request" when using the `New-ADUser` cmdlet typically indicates that there is an issue with one or more of the parameters being passed to the cmdlet. Here are some common reasons and solutions for this error:

1. **Password Complexity Requirements**: Ensure that the password you are setting meets the domain's password complexity requirements. This often includes a mix of uppercase and lowercase letters, numbers, and special characters.

2. **UserPrincipalName (UPN) Format**: Verify that the UPN (`-UserPrincipalName`) is correctly formatted. It should be in the form of an email address, like `username@domain.com`. Ensure that the domain part is correct and matches your Active Directory domain.

3. **Attribute Constraints**: Check if there are any constraints or policies in your Active Directory that might be causing the issue. For example, certain attributes might have specific requirements or restrictions.

4. **Permissions**: Ensure that the account running the script has the necessary permissions to create users in the specified Organizational Unit (OU).

5. **OU Path**: Double-check the OU path (`-Path`) to ensure it is correct and exists in your Active Directory. The path should be in the format `OU=Users,DC=domain,DC=com`.

6. **Existing User**: Although your script checks for existing users, ensure that there are no conflicts with existing accounts, especially regarding attributes like `SamAccountName` or `UserPrincipalName`.

7. **Active Directory Replication**: If your environment has multiple domain controllers, ensure that replication is functioning correctly, as inconsistencies can sometimes cause issues.

### Troubleshooting Steps:

- **Test with Minimal Parameters**: Try creating a user with the minimal required parameters to see if the issue persists. For example, remove optional parameters and focus on `-Name`, `-SamAccountName`, and `-UserPrincipalName`.

- **Verbose Output**: Use the `-Verbose` parameter with `New-ADUser` to get more detailed output, which might provide additional clues.

- **Check Event Logs**: Look at the event logs on your domain controller for any related errors or warnings that might give more context.

- **Manual Creation**: Try creating a user manually in Active Directory Users and Computers with the same details to see if the issue is script-specific or a broader problem.

If none of these steps resolve the issue, you
User: fix my code
Assistant: To address the "The server is unwilling to process the request" error when using the `New-ADUser` cmdlet, let's refine your script with some adjustments and additional checks. Here's a revised version of your `Add-NewUser` function with improvements:

```powershell
function Add-NewUser {
    Write-Host "Enter the administrative task no. : 1"
    
    $username = Read-Host -Prompt "Username"
    Write-Host "New username checking ..."
    
    # Check if the user already exists
    $userExists = Get-ADUser -Filter { SamAccountName -eq $username } -ErrorAction SilentlyContinue
    
    if ($userExists) {
        Write-Host "User Account $username already exists in the Domain." -ForegroundColor Red
    } else {
        Write-Host "Username accepted."
        
        # Prompt for a password and ensure it meets complexity requirements
        $password = Read-Host -Prompt "Input Password (must meet complexity requirements)" -AsSecureString
        
        # Validate password complexity (example: at least 8 characters, including uppercase, lowercase, number, and special character)
        $plainPassword = [System.Runtime.InteropServices.Marshal]::PtrToStringAuto([System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($password))
        if ($plainPassword.Length -lt 8 -or
            $plainPassword -notmatch '[A-Z]' -or
            $plainPassword -notmatch '[a-z]' -or
            $plainPassword -notmatch '\d' -or
            $plainPassword -notmatch '[^a-zA-Z\d]') {
            Write-Host "Password does not meet complexity requirements." -ForegroundColor Red
            return
        }
        
        # Create new user
        try {
            New-ADUser -Name $username -SamAccountName $username -UserPrincipalName "$username@domain.com" `
                -Path "OU=Users,DC=domain,DC=com" -AccountPassword $password -Enabled $true -ChangePasswordAtLogon $true
            
            Write-Host "[User created]" -ForegroundColor Green
        } catch {
            Write-Host "Failed to create user: $_" -ForegroundColor Red
        }
    }
}
```

### Key Changes and Additions:

1. **Password Complexity Check**: Added a basic password complexity check to ensure the password meets typical requirements
User: no need to cheak the password isor not  complexity requirements
Assistant: If you don't need to check the password complexity when creating a user and want to simplify the script by removing that check, here is your revised `Add-NewUser` function:

```powershell
function Add-NewUser {
    Write-Host "Enter the administrative task no. : 1"
    
    $username = Read-Host -Prompt "Username"
    Write-Host "New username checking ..."
    
    # Check if the user already exists
    $userExists = Get-ADUser -Filter { SamAccountName -eq $username } -ErrorAction SilentlyContinue
    
    if ($userExists) {
        Write-Host "User Account $username already exists in the Domain." -ForegroundColor Red
    } else {
        Write-Host "Username accepted."
        $password = Read-Host -Prompt "Input Password" -AsSecureString
        
        # Create new user
        try {
            New-ADUser -Name $username -SamAccountName $username -UserPrincipalName "$username@domain.com" `
                -Path "OU=Users,DC=domain,DC=com" -AccountPassword $password -Enabled $true -ChangePasswordAtLogon $true
            
            Write-Host "[User created]" -ForegroundColor Green
        } catch {
            Write-Host "Failed to create user: $_" -ForegroundColor Red
        }
    }
}
```

### Description of Changes:
- **Password Complexity Check Removed**: The script no longer checks if the password meets specific complexity requirements before creating the user account.
- **Error Handling**: The `try-catch` block remains. It attempts to create the new user with the given credentials and handles any exceptions by outputting an error message. This is crucial as it can catch other types of errors that might arise during the user creation process (such as issues with the domain).

This streamlined function takes a user name and password, checks if the user already exists, and if not, attempts to create the new Active Directory user. If the operation fails for any reason (like AD server issues or incorrect parameters), the error will be displayed. Make sure that your script is run with appropriate privileges and that the AD PowerShell module is available and imported (`Import-Module ActiveDirectory`) if not automatically loaded.
User: Add the new user to the domain (in the User container) and require the user to “change 
password at logon.”
Assistant: To add the new user to the default "Users" container in Active Directory and require them to change their password at the next logon, you'll need to adjust the **Path** and **ChangePasswordAtLogon** parameters in your `New-ADUser` command appropriately.

Active Directory's default "Users" container has a distinguished name (DN) path of `CN=Users,DC=yourdomain,DC=com`. However, unlike organizational units (OUs), you cannot specify the "Users" container in the distinguished name path using the `OU=` prefix; instead, you should use `CN=Users`.

Here's an adjusted version of the `Add-NewUser` function that adds the new user directly to the default "Users" container and sets the user account to require a password change at the next logon:

```powershell
function Add-NewUser {
    Write-Host "Enter the administrative task no. : 1"
    
    $username = Read-Host -Prompt "Username"
    Write-Host "New username checking ..."
    
    # Check if the user already exists
    $userExists = Get-ADUser -Filter "SamAccountName -eq '$username'" -ErrorAction SilentlyContinue
    
    if ($userExists) {
        Write-Host "User Account $username already exists in the Domain." -ForegroundColor Red
    } else {
        Write-Host "Username accepted."
        $password = Read-Host -Prompt "Input Password" -AsSecureString
        
        try {
            # Adjust the domain name in the User Principal Name (UPN) and Path accordingly
            $domain = "domain.com"
            New-ADUser -Name $username -SamAccountName $username -UserPrincipalName "$username@$domain" `
                -Path "CN=Users,DC=domain,DC=com" -AccountPassword $password -Enabled $true -ChangePasswordAtLogon $true
            
            Write-Host "[User created]" -ForegroundColor Green
        } catch {
            Write-Host "Failed to create user: $_" -ForegroundColor Red
        }
    }
}
```

**Important Adjustments and Considerations:**

- Ensure that the `-Path` parameter's value (`"CN=Users,DC=domain,DC=com"`) is correctly adjusted to reflect your Active Directory domain's structure. Replace `domain` and `com` with the actual components of your domain's distinguished name.
- This function sets the `ChangePasswordAtLogon` parameter to `$true`, which ensures that users will be required to change their password when they log in for the first time.
- The process attempts to create a new user and catches any exceptions or errors during the operation, displaying an informative message if it fails.

Make sure you run this script or function with sufficient privileges to create user accounts in Active Directory and that your PowerShell session has the Active Directory module loaded (you can import it using `Import-Module ActiveDirectory` if not already loaded).
User: Subfunction 2: Search User 
(a) Enter the “User Management” section and select option 2, “Search User” 
(b) Read the input from the user and check if there are any matched usernames using wildcards. 
Show all matched user information as in the figure below. 
(c) Check whether the user account is locked out. If yes, ask if the admin unlocks the account and 
takes the corresponding action. 
(d) Ask if the admin deletes the account and takes the corresponding action. 
(e) If there are multiple user accounts to be searched, repeat (c) and (d) for each user.
Assistant: