Sync-DomainController.ps1

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Description

@GitHub Copilot - Welcome @BanterBoy, I’m your Copilot and I’m here to help you get things done faster. I can identify issues, explain and even improve code.

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@BanterBoy: - Explain what the script does and why it is useful.

@GitHub Copilot - The code is a PowerShell script that defines a function called Sync-DomainController. This function synchronizes all domain controllers in the specified domain by forcing replication using the repadmin tool. The function takes one parameter, Domain, which specifies the name of the domain to synchronize. If no domain is specified, the function defaults to the user’s domain.

The function begins with a comment-based help section that provides a synopsis, description, parameter information, example usage, and other notes about the function. This information is useful for anyone who wants to use the function or understand what it does.

The function uses the Get-ADDomain cmdlet to retrieve the distinguished name of the specified domain. It then uses the Get-ADDomainController cmdlet to retrieve the names of all domain controllers in the specified domain. For each domain controller, the function uses the repadmin tool to force synchronization with all other domain controllers in the domain.

Overall, this script is a useful tool for synchronizing domain controllers in a Windows Active Directory environment. To improve the code’s readability, the author could consider adding comments to explain each step of the process. Additionally, the author could consider adding error handling to handle cases where the repadmin tool fails to synchronize domain controllers.

@BanterBoy: - Explain how to use the script and provide examples.

@GitHub Copilot - Certainly! Here are a few examples of how you could use the Sync-DomainController function:

1. To synchronize all domain controllers in a specific domain:

Sync-DomainController -Domain "contoso.com"

1. To run the function in verbose mode, which will display additional information about the synchronization process:

Sync-DomainController -Domain "contoso.com" -Verbose

These are just a few examples of how you could use the Sync-DomainController function. You can customize the function’s behavior by specifying different parameters or modifying the function’s code.

Script

function Sync-DomainController {

    <#
    .SYNOPSIS
        Synchronizes all domain controllers in the specified domain.

    .DESCRIPTION
        This function synchronizes all domain controllers in the specified domain by forcing replication using the repadmin tool.

    .PARAMETER Domain
        The name of the domain to synchronize. Defaults to the user's domain.

    .EXAMPLE
        Sync-DomainController -Domain "contoso.com"

    .NOTES
        Author: Unknown
        Last Edit: Unknown
        Version: 1.0
        Keywords: Active Directory, Domain Controller, Replication
    #>

    [CmdletBinding()]
    param(
        [string] $Domain = $Env:USERDNSDOMAIN
    )
    $DistinguishedName = (Get-ADDomain -Server $Domain).DistinguishedName
    (Get-ADDomainController -Filter * -Server $Domain).Name | ForEach-Object {
        Write-Verbose -Message "Sync-DomainController - Forcing synchronization $_"
        repadmin /syncall $_ $DistinguishedName /e /A | Out-Null
    }
}

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