Get Exchange org information for on-premises or Exchange Online as Xml

Get-ExchangeInfo.ps1

<#
  .SYNOPSIS
  This script exports On-Premises Exchange Org and Exchange Online Org configurations to Xml

  .DESCRIPTION
  The script exports dat using Export-CLixml to the folder \Output
  You must create the folder prior to excurting the script.

  .PARAMETER Environment
  The envrionment to query, either OnPremises or ExchangeOnline

  .EXAMPLE
  .\Get-ExchangeInfo.ps1 -Environment OnPremises
#>

param(
    [ValidateSet('OnPremises','ExchangeOnline')]
    [string]$Environment = 'OnPremises'
)

$ScriptDir = Split-Path -Path $script:MyInvocation.MyCommand.Path
$TimeStamp = (Get-Date -Format yyyyMMdd-HHmm)
$OutputFolder = 'Output'
$OutputPath = Join-Path -Path $ScriptDir -ChildPath $OutputFolder

if(-not (Test-Path -Path $OutputPath -PathType Container)) {
    Write-Host ('Creating folder: {0}' -f $OutputPath)
    New-Item -Path $OutputPath -ItemType Directory | Out-Null
}

Write-Host ('Output to: {0}' -f $OutputPath)

# On-Premises
function Get-ExchangeData{
    param(
        [string]$Prefix
    )

    Get-OrganizationConfig | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-OrganizationConfig.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-OrganizationRelationship | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-OrganizationRelationship.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-IntraOrganizationConfiguration | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-IntraOrganizationConfiguration.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force

    try {
        if (gcm Get-OfflineAddressBook -ErrorAction SilentlyContinue) {
            Get-OfflineAddressBook | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-OfflineAddressBook.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        }
    }
    catch {Write-Warning 'Get-OfflineAddressBook does not exist. This might be an RBAC role assignment issue.'}

    try {
        if (gcm Get-AddressList -ErrorAction SilentlyContinue) {
            Get-AddressList | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-AddressList.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        }
    }
    catch {Write-Warning 'Get-AddressList does not exist. This might be an RBAC role assignment issue.'}

    Get-SharingPolicy | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-SharingPolicy.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-AcceptedDomain | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-AcceptedDomain.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-RemoteDomain | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-RemoteDomain.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-EmailAddressPolicy | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-EmailAddressPolicy.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-TransportRule | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-EmailAddressPolicy.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force

    Get-RetentionPolicy | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-RetentionPolicy.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
    Get-RetentionPolicyTag | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-RetentionPolicyTag.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force

    if($Prefix -eq 'OnPremises') {

        # OnPremises stuff only
        Get-AuthConfig | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-AuthConfig.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-DatabaseAvailabilityGroup | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-DatabaseAvailabilityGroup.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-ExchangeServer | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-ExchangeServer.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-ReceiveConnector | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-ReceiveConnector.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-SendConnector | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-SendConnector.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-HybridConfiguration | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-HybridConfiguration.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force

    }
    else {

        # Exo stuff only
        # Adjust the cmdlets, if you use a cmdlet prefix for your Exchange Online connection
        Get-InboundConnector | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-InboundConnector.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-OutboundConnector | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-OutboundConnector.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force
        Get-MigrationEndpoint | Export-CliXml -Path (Join-Path -Path $OutputPath -ChildPath ('{0}-{1}-MigrationEndpoint.xml' -f $Prefix, $TimeStamp)) -Encoding UTF8 -Force

    }
}

Write-Host ('Checking {0}' -f $Environment)
Get-ExchangeData -Prefix $Environment