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309 lines
10 KiB
PowerShell
309 lines
10 KiB
PowerShell
<#
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=============================================================================================
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Name: Audit Microsoft Teams meetings using PowerShell
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Description: This script exports Teams meeting report and attendance report into 2 CSV files.
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website: o365reports.com
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Script Highlights:
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~~~~~~~~~~~~~~~~~
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1. The script uses modern authentication to connect to Exchange Online.
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2. The script can be executed with MFA enabled account too.
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3. Exports report results to CSV file.
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4. Allows you to generate a Teams meetings audit log.
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5. Exports Teams meeting attendance report.
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6. Helps to generate reports for custom periods.
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7. Automatically installs the EXO V2 and AzureAD module (if not installed already) upon your confirmation.
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8. The script is scheduler-friendly. I.e., Credential can be passed as a parameter instead of saving inside the script.
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For detailed Script execution: https://o365reports.com/2021/12/08/microsoft-teams-meeting-attendance-report
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============================================================================================
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#>
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Param
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(
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[Parameter(Mandatory = $false)]
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[Nullable[DateTime]]$StartDate,
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[Nullable[DateTime]]$EndDate,
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[switch]$NoMFA,
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[string]$UserName,
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[string]$Password
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)
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Function Connect_Modules
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{
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#Check for EXO v2 module inatallation
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$Module = Get-Module ExchangeOnlineManagement -ListAvailable
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if($Module.count -eq 0)
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{
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Write-Host Exchange Online PowerShell V2 module is not available -ForegroundColor yellow
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$Confirm= Read-Host Are you sure you want to install module? [Y] Yes [N] No
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if($Confirm -match "[yY]")
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{
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Write-host "Installing Exchange Online PowerShell module"
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Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
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}
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else
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{
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Write-Host EXO V2 module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
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Exit
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}
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}
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#Check for Azure AD module
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$Module = Get-Module AzureAD -ListAvailable
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if($Module.count -eq 0)
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{
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Write-Host Azure AD module is not available -ForegroundColor yellow
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$Confirm= Read-Host Are you sure you want to install the module? [Y] Yes [N] No
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if($Confirm -match "[yY]")
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{
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Write-host "Installing AzureAD PowerShell module"
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Install-Module AzureAD -Repository PSGallery -AllowClobber -Force
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}
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else
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{
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Write-Host AzureAD module is required to generate the report.Please install module using Install-Module AzureAD cmdlet.
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Exit
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}
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}
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#Authentication using non-MFA
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if($NoMFA.IsPresent)
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{
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#Storing credential in script for scheduling purpose/ Passing credential as parameter
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if(($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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Write-Host "Connecting Azure AD..."
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Connect-AzureAD -Credential $Credential | Out-Null
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Write-Host "Connecting Exchange Online PowerShell..."
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Connect-ExchangeOnline -Credential $Credential
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}
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#Connect to Exchange Online and AzureAD module using MFA
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else
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{
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Write-Host "Connecting Exchange Online PowerShell..."
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Connect-ExchangeOnline
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Write-Host "Connecting Azure AD..."
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Connect-AzureAD | Out-Null
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}
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}
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Function Get_TeamMeetings
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{
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$Result=""
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$Results=@()
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$Count=0
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Search-UnifiedAuditLog -StartDate $StartDate -EndDate $EndDate -Operations "MeetingDetail" -ResultSize 5000 | ForEach-Object {
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$Count++
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Write-Progress -Activity "`n Retrieving Teams meetings data from $StartDate to $EndDate.."`n" Processed Teams meetings count: $Count"
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$AuditData=$_.AuditData | ConvertFrom-Json
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$MeetingID=$AuditData.ID
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$CreatedBy=$AuditData.UserId
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$StartTime=(Get-Date($AuditData.StartTime)).ToLocalTime()
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$EndTime=(Get-Date($AuditData.EndTime)).ToLocalTime()
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$MeetingURL=$AuditData.MeetingURL
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$MeetingType=$AuditData.ItemName
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$Result=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Start Time'=$Star=$StartTime;'End Time'=$EndTime;'Meeting Type'=$MeetingType;'Meeting Link'=$MeetingURL;'More Info'=$AuditData}
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$Results= New-Object PSObject -Property $Result
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$Results | Select-Object 'Meeting id','Created By','Start Time','End Time','Meeting Type','Meeting Link','More Info' | Export-Csv -Path $ExportCSV -Notype -Append
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}
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Write-Host $Count meetings details are exported. -ForegroundColor Green
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}
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$MaxStartDate=((Get-Date).AddDays(-89)).Date
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#Getting Teams meeting attendance report for past 90 days
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if(($StartDate -eq $null) -and ($EndDate -eq $null))
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{
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$EndDate=(Get-Date)#.Date
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$StartDate=$MaxStartDate
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}
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#Getting start date to generate Teams meetings attendance report
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While($true)
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{
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if ($StartDate -eq $null)
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{
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$StartDate=Read-Host Enter start time for report generation '(Eg:11/23/2021)'
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}
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Try
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{
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$Date=[DateTime]$StartDate
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if($Date -ge $MaxStartDate)
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{
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break
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}
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else
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{
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Write-Host `nAudit can be retrieved only for past 90 days. Please select a date after $MaxStartDate -ForegroundColor Red
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return
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}
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}
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Catch
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{
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Write-Host `nNot a valid date -ForegroundColor Red
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}
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}
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#Getting end date for teams attendance report
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While($true)
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{
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if ($EndDate -eq $null)
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{
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$EndDate=Read-Host Enter End time for report generation '(Eg: 11/23/2021)'
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}
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Try
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{
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$Date=[DateTime]$EndDate
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if($EndDate -lt ($StartDate))
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{
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Write-Host End time should be later than start time -ForegroundColor Red
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return
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}
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break
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}
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Catch
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{
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Write-Host `nNot a valid date -ForegroundColor Red
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}
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}
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$OutputCSV=".\TeamsMeetingAttendanceReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
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$ExportCSV=".\TeamsMeetingsReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
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$IntervalTimeInMinutes=1440 #$IntervalTimeInMinutes=Read-Host Enter interval time period '(in minutes)'
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$CurrentStart=$StartDate
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$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
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#Check whether CurrentEnd exceeds EndDate
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if($CurrentEnd -gt $EndDate)
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{
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$CurrentEnd=$EndDate
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}
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if($CurrentStart -eq $CurrentEnd)
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{
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Write-Host Start and end time are same.Please enter different time range -ForegroundColor Red
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Exit
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}
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Connect_Modules
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Get_TeamMeetings
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$CurrentResultCount=0
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$AggregateResultCount=0
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Write-Host `nGenerating Teams meeting attendance report from $StartDate to $EndDate...
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$ProcessedAuditCount=0
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$OutputEvents=0
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$ExportResult=""
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$ExportResults=@()
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$RetriveOperation="MeetingParticipantDetail"
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while($true)
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{
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#Getting Teams meeting participants report for the given time range
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Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations $RetriveOperation -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000 | ForEach-Object {
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$ResultCount++
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$ProcessedAuditCount++
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Write-Progress -Activity "`n Retrieving Team meeting participant report..."`n" Processed audit record count: $ProcessedAuditCount"
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$AuditData=$_.AuditData | ConvertFrom-Json
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$MeetingID=$AuditData.MeetingDetailId
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$CreatedBy=$_.UserIDs
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$AttendeesInfo=($AuditData.Attendees)
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$Attendees=$AttendeesInfo.userObjectId
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$AttendeesType=$AttendeesInfo.RecipientType
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if($AttendeesType -ne "User")
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{
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$Attendees=$AttendeesInfo.DisplayName
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}
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else
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{
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$Attendees=(Get-AzureADUser -ObjectId $Attendees).UserPrincipalName
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}
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$JoinTime=(Get-Date($AuditData.JoinTime)).ToLocalTime() #Get-Date($AuditData.JoinTime) Uncomment to view the Activity Time in UTC
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$LeaveTime=(Get-Date($AuditData.LeaveTime)).ToLocalTime()
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#Export result to csv
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$OutputEvents++
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$ExportResult=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Attendees'=$Attendees;'Attendee Type'=$AttendeesType;'Joined Time'=$JoinTime;'Left Time'=$LeaveTime;'More Info'=$AuditData}
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$ExportResults= New-Object PSObject -Property $ExportResult
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$ExportResults | Select-Object 'Meeting id','Created By','Attendees','Attendee Type','Joined Time','Left Time','More Info' | Export-Csv -Path $OutputCSV -Notype -Append
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}
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$currentResultCount=$currentResultCount+$ResultCount
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if($CurrentResultCount -ge 50000)
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{
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Write-Host Retrieved max record for current range.Proceeding further may cause data loss or rerun the script with reduced time interval. -ForegroundColor Red
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$Confirm=Read-Host `nAre you sure you want to continue? [Y] Yes [N] No
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if($Confirm -match "[Y]")
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{
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Write-Host Proceeding audit log collection with data loss
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[DateTime]$CurrentStart=$CurrentEnd
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[DateTime]$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
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$CurrentResultCount=0
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if($CurrentEnd -gt $EndDate)
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{
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$CurrentEnd=$EndDate
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}
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}
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else
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{
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Write-Host Please rerun the script with reduced time interval -ForegroundColor Red
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Exit
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}
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}
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if($ResultCount -lt 5000)
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{
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if($CurrentEnd -eq $EndDate)
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{
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break
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}
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$CurrentStart=$CurrentEnd
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if($CurrentStart -gt (Get-Date))
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{
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break
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}
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$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
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$CurrentResultCount=0
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if($CurrentEnd -gt $EndDate)
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{
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$CurrentEnd=$EndDate
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}
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}
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$ResultCount=0
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}
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#Open output file after execution
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If($OutputEvents -eq 0)
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{
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Write-Host No records found
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}
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else
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{
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Write-Host `nThe Teams meeting attendance report contains $OutputEvents audit records -ForegroundColor Green
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if((Test-Path -Path $OutputCSV) -eq "True")
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{
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Write-Host `n" The Teams meetings attendance report available in: " -NoNewline -ForegroundColor Yellow; Write-Host "$OutputCSV"
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Write-Host `n~~ Script prepared by AdminDroid Community ~~`n -ForegroundColor Green
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Write-Host "~~ Check out " -NoNewline -ForegroundColor Green; Write-Host "admindroid.com" -ForegroundColor Yellow -NoNewline;
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Write-Host " to get access to 1800+ Microsoft 365 reports. ~~" -ForegroundColor Green `n`n
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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 "$OutputCSV"
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Invoke-Item "$ExportCSV"
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}
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}
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}
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#Disconnect Exchange Online session
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Disconnect-ExchangeOnline -Confirm:$false -InformationAction Ignore -ErrorAction SilentlyContinue
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