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O365 Dynamic Distribution Group Members Report
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AdminDroid
GitHub
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commit
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@ -0,0 +1,241 @@
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#Accept input parameter
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Param
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(
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[Parameter(Mandatory = $false)]
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[string]$GroupNamesFile,
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[switch]$IsEmpty,
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[int]$MinGroupMembersCount,
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[string]$UserName,
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[string]$Password,
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[Switch]$MFA
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)
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#Get group members
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Function Get_Members
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{
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$DisplayName=$_.DisplayName
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Write-Progress -Activity "`n Processed Group count: $Count "`n" Getting members of: $DisplayName"
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$Alias=$_.Alias
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$EmailAddress=$_.PrimarySmtpAddress
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$HiddenFromAddressList=$_.HiddenFromAddressListsEnabled
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$RecipientFilter=$_.RecipientFilter
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$RecipientHash=@{}
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for($KeyIndex = 0; $KeyIndex -lt $RecipientTypeArray.Length; $KeyIndex += 2)
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{
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$key=$RecipientTypeArray[$KeyIndex]
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$Value=$RecipientTypeArray[$KeyIndex+1]
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$RecipientHash.Add($key,$Value)
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}
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$Manager=$_.ManagedBy
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if($Manager -eq $null)
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{
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$Manager="-"
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}
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$Recipient=""
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$Members=Get-Recipient -ResultSize unlimited -RecipientPreviewFilter $RecipientFilter
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#GroupSize Filter
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if(([int]$MinGroupMembersCount -ne "") -and ($Members.count -lt [int]$MinGroupMembersCount))
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{
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$Print=0
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}
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#Empty Group Filter
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elseif($Members.Count -eq 0)
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{
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$Member="No Members"
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$RecipientTypeDetail="-"
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Print_Output
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}
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#Loop through each member in a group
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else
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{
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foreach($Member in $Members)
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{
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if($IsEmpty.IsPresent)
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{
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$Print=0
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break
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}
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#Get Counts by RecipientTypeDetail
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$RecipientTypeDetail=$Member.RecipientTypeDetails
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foreach($key in [object[]]$Recipienthash.Keys)
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{
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if(($RecipientTypeDetail -eq $key) -eq "true")
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{
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[int]$RecipientHash[$key]+=1
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}
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}
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Print_Output
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}
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}
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#Export Summary Report
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if($Print -eq 1)
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{
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#Order RecipientTypeDetail based on count
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$Hash=@{}
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$Hash=$RecipientHash.GetEnumerator() | Sort-Object -Property value -Descending |foreach{
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if([int]$($_.Value) -gt 0 )
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{
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if($Recipient -ne "")
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{ $Recipient+=";"}
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$Recipient+=@("$($_.Key) - $($_.Value)")
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}
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if($Recipient -eq "")
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{$Recipient="-"}
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}
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$Output=@{'DisplayName'=$DisplayName;'PrimarySmtpAddress'=$EmailAddress;'Alias'=$Alias;'Manager'=$Manager;'GroupMembersCount'=$Members.Count;'HiddenFromAddressList'=$HiddenFromAddressList;'MembersCountByType'=$Recipient}
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$Outputs= New-Object PSObject -Property $Output
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$Outputs | Select-Object DisplayName,PrimarySmtpAddress,Alias,Manager,HiddenFromAddressList,GroupMembersCount,MembersCountByType | Export-Csv -Path $ExportSummaryCSV -Notype -Append
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}
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}
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#Print Detailed Output
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Function Print_Output
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{
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if($Print=1)
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{
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$Result=@{'DisplayName'=$DisplayName;'PrimarySmtpAddress'=$EmailAddress;'Alias'=$Alias;'Manager'=$Manager;'GroupMembersCount'=$Members.Count; 'Members'=$Member;'MemberType'=$RecipientTypeDetail}
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$Results= New-Object PSObject -Property $Result
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$Results | Select-Object DisplayName,PrimarySmtpAddress,Alias,Manager,GroupMembersCount,Members,MemberType | Export-Csv -Path $ExportCSV -Notype -Append
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}
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}
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Function main()
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{
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#Connect AzureAD and Exchange Online from PowerShell
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Get-PSSession | Remove-PSSession
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#Get a list of RecipientTypeDetail
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$RecipientTypeArray=Get-Content -Path .\RecipientTypeDetails.txt -ErrorAction Stop
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#Authentication using MFA
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if($MFA.IsPresent)
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{
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$MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)
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If ($MFAExchangeModule -eq $null)
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{
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Write-Host `nPlease install Exchange Online MFA Module. -ForegroundColor yellow
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Write-Host You can install module using below blog : `nLink `nOR you can install module directly by entering "Y"`n
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$Confirm= Read-Host Are you sure you want to install module directly? [Y] Yes [N] No
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if($Confirm -match "[yY]")
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{
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Write-Host Yes
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Start-Process "iexplore.exe" "https://cmdletpswmodule.blob.core.windows.net/exopsmodule/Microsoft.Online.CSE.PSModule.Client.application"
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}
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else
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{
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Start-Process 'https://http://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'
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Exit
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}
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$Confirmation= Read-Host Have you installed Exchange Online MFA Module? [Y] Yes [N] No
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if($Confirmation -match "[yY]")
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{
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$MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)
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If ($MFAExchangeModule -eq $null)
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{
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Write-Host Exchange Online MFA module is not available -ForegroundColor red
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Exit
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}
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}
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else
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{
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Write-Host Exchange Online PowerShell Module is required
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Start-Process 'https:http://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'
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Exit
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}
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}
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#Importing Exchange MFA Module
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. "$MFAExchangeModule"
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Write-Host Enter credential in prompt to connect to Exchange Online
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Connect-EXOPSSession -WarningAction SilentlyContinue
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Write-Host Connected to Exchange Online
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Write-Host `nReport generation in progress...
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}
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#Authentication using non-MFA
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else
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{
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#Storing credential in script for scheduling purpose/ Passing credential as parameter
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if(($UserName -ne "") -and ($Password -ne ""))
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{
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$SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
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$Credential = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
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}
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else
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{
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$Credential=Get-Credential -Credential $null
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}
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Connect-MsolService -Credential $credential
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$Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection
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Import-PSSession $Session -CommandName Get-DynamicDistributionGroup,Get-Recipient -FormatTypeName * -AllowClobber | Out-Null
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}
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#Set output file
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$ExportCSV=".\DynamicDistributionGroup-DetailedMembersReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv" #Detailed report
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$ExportSummaryCSV=".\DynamicDistributionGroup-SummaryReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv" #Summary report
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$Result=""
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$Results=@()
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$Count=0
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#Check for input file
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if ($GroupNamesFile -ne "")
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{
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#We have an input file, read it into memory
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$DDG=@()
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$DDG=Import-Csv -Header "DisplayName" $GroupNamesFile
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foreach($item in $DDG)
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{
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Get-DynamicDistributionGroup -Identity $item.displayname | Foreach{
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$Print=1
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Get_Members}
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$Count++
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}
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}
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else
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{
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#Get all dynamic distribution group
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Get-DynamicDistributionGroup | Foreach{
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$Print=1
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Get_Members
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$Count++}
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}
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#Open output file after execution
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Write-Host `nScript executed successfully
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if((Test-Path -Path $ExportCSV) -eq "True")
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{
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Write-Host Detailed report available in: $ExportCSV
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Write-host Summary report available in: $ExportSummaryCSV
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$Prompt = New-Object -ComObject wscript.shell
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$UserInput = $Prompt.popup("Do you want to open output file?",`
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0,"Open Output File",4)
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If ($UserInput -eq 6)
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{
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Invoke-Item "$ExportCSV"
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Invoke-Item "$ExportSummaryCSV"
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}
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}
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Else
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{
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Write-Host No DynamicDistributionGroup found
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}
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#Clean up session
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Get-PSSession | Remove-PSSession
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}
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. main
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@ -0,0 +1,80 @@
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UserMailbox
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0
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LinkedMailbox
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0
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SharedMailbox
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0
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LegacyMailbox
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0
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RoomMailbox
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0
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EquipmentMailbox
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0
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MailContact
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0
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MailUser
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0
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MailUniversalDistributionGroup
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0
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MailNonUniversalGroup
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0
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MailUniversalSecurityGroup
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0
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DynamicDistributionGroup
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0
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PublicFolder
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0
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SystemAttendantMailbox
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0
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SystemMailbox
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0
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MailForestContact
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0
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User
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0
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Contact
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0
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UniversalDistributionGroup
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0
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UniversalSecurityGroup
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0
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NonUniversalGroup
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0
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DisabledUser
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0
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MicrosoftExchange
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0
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ArbitrationMailbox
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0
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MailboxPlan
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0
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LinkedUser
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0
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RoomList
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0
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DiscoveryMailbox
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0
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RoleGroup
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0
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RemoteUserMailbox
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0
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Computer
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0
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RemoteRoomMailbox
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0
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RemoteEquipmentMailbox
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0
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RemoteSharedMailbox
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0
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PublicFolderMailbox
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0
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TeamMailbox
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0
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RemoteTeamMailbox
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0
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MonitoringMailbox
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0
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GroupMailbox
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0
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AllUniqueRecipientTypes
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0
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