Audit Teams Meetings and Export Meeting Attendance Report

Audit Teams Meetings and Export Meeting Attendance Report
This commit is contained in:
AdminDroid 2025-03-05 15:13:36 +05:30
parent 3f706c5db1
commit 208dd665a4

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@ -1,21 +1,32 @@
<#
=============================================================================================
Name: Audit Microsoft Teams meetings using PowerShell
Name: Audit Microsoft Teams meetings and export teams meeting attendance report using PowerShell
Version: 2.0
Description: This script exports Teams meeting report and attendance report into 2 CSV files.
website: o365reports.com
Script Highlights:
~~~~~~~~~~~~~~~~~
1. The script uses modern authentication to connect to Exchange Online.
2. The script can be executed with MFA enabled account too.
1. Exports a list of Teams meetings.
2. Exports Teams meeting attendance report.
3. Exports report results to CSV file.
4. Allows you to generate a Teams meetings audit log.
5. Exports Teams meeting attendance report.
4. The script can be executed with MFA enabled account too.
5. Supports certificate-based authentication (CBA) too.
6. Helps to generate reports for custom periods.
7. Automatically installs the EXO V2 and AzureAD module (if not installed already) upon your confirmation.
8. The script is scheduler-friendly. I.e., Credential can be passed as a parameter instead of saving inside the script.
7. Automatically installs the EXO PowerShell module (if not installed already) upon your confirmation.
8. The script is scheduler-friendly.
For detailed Script execution: https://o365reports.com/2021/12/08/microsoft-teams-meeting-attendance-report
Change Log:
~~~~~~~~~~~
V1.0 (Dec 09, 2021) - File created
V1.1 (Sep 28, 2023) - Minor usability improvements.
V2.0 (Mar 05, 2025) - Added certificate-based authentication support to enhance scheduling capability.
Removed Azure AD PowerShell module dependency.
Increased audit log retrieval range from 90 to 180 days
Usability improvements
============================================================================================
#>
@ -24,83 +35,82 @@ Param
[Parameter(Mandatory = $false)]
[Nullable[DateTime]]$StartDate,
[Nullable[DateTime]]$EndDate,
[switch]$NoMFA,
[string]$UserName,
[string]$Password
[string]$Password,
[string]$Organization,
[string]$ClientId,
[string]$CertificateThumbprint
)
Function Connect_Modules
#Getting StartDate and EndDate for Audit log
if ((($StartDate -eq $null) -and ($EndDate -ne $null)) -or (($StartDate -ne $null) -and ($EndDate -eq $null)))
{
#Check for EXO v2 module inatallation
$Module = Get-Module ExchangeOnlineManagement -ListAvailable
Write-Host `nPlease enter both StartDate and EndDate for Audit log collection -ForegroundColor Red
exit
}
elseif(($StartDate -eq $null) -and ($EndDate -eq $null))
{
$StartDate=(((Get-Date).AddDays(-180))).Date
$EndDate=Get-Date
}
else
{
$StartDate=[DateTime]$StartDate
$EndDate=[DateTime]$EndDate
if($StartDate -lt ((Get-Date).AddDays(-180)))
{
Write-Host `nAudit log can be retrieved only for past 180 days. Please select a date after (Get-Date).AddDays(-180) -ForegroundColor Red
Exit
}
if($EndDate -lt ($StartDate))
{
Write-Host `nEnd time should be later than start time -ForegroundColor Red
Exit
}
}
#Check for EXO module inatallation
$Module = Get-Module ExchangeOnlineManagement -ListAvailable
if($Module.count -eq 0)
{
Write-Host Exchange Online PowerShell V2 module is not available -ForegroundColor yellow
Write-Host Exchange Online PowerShell module is not available -ForegroundColor yellow
$Confirm= Read-Host Are you sure you want to install module? [Y] Yes [N] No
if($Confirm -match "[yY]")
{
Write-host "Installing Exchange Online PowerShell module"
Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force -Scope CurrentUser
Import-Module ExchangeOnlineManagement
}
else
{
Write-Host EXO V2 module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
Write-Host EXO module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet.
Exit
}
}
#Check for Azure AD module
$Module = Get-Module AzureAD -ListAvailable
if($Module.count -eq 0)
Write-Host Connecting to Exchange Online...
#Storing credential in script for scheduling purpose/ Passing credential as parameter - Authentication using non-MFA account
if(($AdminName -ne "") -and ($Password -ne ""))
{
Write-Host Azure AD module is not available -ForegroundColor yellow
$Confirm= Read-Host Are you sure you want to install the module? [Y] Yes [N] No
if($Confirm -match "[yY]")
{
Write-host "Installing AzureAD PowerShell module"
Install-Module AzureAD -Repository PSGallery -AllowClobber -Force
}
else
{
Write-Host AzureAD module is required to generate the report.Please install module using Install-Module AzureAD cmdlet.
Exit
}
$SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
$Credential = New-Object System.Management.Automation.PSCredential $AdminName,$SecuredPassword
Connect-ExchangeOnline -Credential $Credential -ShowBanner:$false
}
#Authentication using non-MFA
if($NoMFA.IsPresent)
elseif($Organization -ne "" -and $ClientId -ne "" -and $CertificateThumbprint -ne "")
{
#Storing credential in script for scheduling purpose/ Passing credential as parameter
if(($UserName -ne "") -and ($Password -ne ""))
{
$SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
$Credential = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
}
else
{
$Credential=Get-Credential -Credential $null
}
Write-Host "Connecting Azure AD..."
Connect-AzureAD -Credential $Credential | Out-Null
Write-Host "Connecting Exchange Online PowerShell..."
Connect-ExchangeOnline -Credential $Credential
Connect-ExchangeOnline -AppId $ClientId -CertificateThumbprint $CertificateThumbprint -Organization $Organization -ShowBanner:$false
}
#Connect to Exchange Online and AzureAD module using MFA
else
{
Write-Host "Connecting Exchange Online PowerShell..."
Connect-ExchangeOnline
Write-Host "Connecting Azure AD..."
Connect-AzureAD | Out-Null
Connect-ExchangeOnline -ShowBanner:$false
}
}
Function Get_TeamMeetings
{
$Result=""
$Results=@()
$Count=0
Write-Host `nRetrieving Teams meeting details from $StartDate to $EndDate...
Search-UnifiedAuditLog -StartDate $StartDate -EndDate $EndDate -Operations "MeetingDetail" -ResultSize 5000 | ForEach-Object {
$Count++
$Global:MeetingCount++
Write-Progress -Activity "`n Retrieving Teams meetings data from $StartDate to $EndDate.."`n" Processed Teams meetings count: $Count"
$AuditData=$_.AuditData | ConvertFrom-Json
$MeetingID=$AuditData.ID
@ -113,11 +123,18 @@ Function Get_TeamMeetings
$Results= New-Object PSObject -Property $Result
$Results | Select-Object 'Meeting id','Created By','Start Time','End Time','Meeting Type','Meeting Link','More Info' | Export-Csv -Path $ExportCSV -Notype -Append
}
Write-Host $Count meetings details are exported. -ForegroundColor Green
if($MeetingCount -ne 0)
{
Write-Host $Global:MeetingCount meetings details are exported.
}
else
{
Write-Host "No meetings found"
}
}
$MaxStartDate=((Get-Date).AddDays(-89)).Date
#Getting Teams meeting attendance report for past 90 days
$MaxStartDate=((Get-Date).AddDays(-180)).Date
#Getting Teams meeting attendance report for past 180 days
if(($StartDate -eq $null) -and ($EndDate -eq $null))
{
$EndDate=(Get-Date)#.Date
@ -128,7 +145,7 @@ While($true)
{
if ($StartDate -eq $null)
{
$StartDate=Read-Host Enter start time for report generation '(Eg:11/23/2021)'
$StartDate=Read-Host Enter start time for report generation '(Eg:11/23/2024)'
}
Try
{
@ -139,7 +156,7 @@ While($true)
}
else
{
Write-Host `nAudit can be retrieved only for past 90 days. Please select a date after $MaxStartDate -ForegroundColor Red
Write-Host `nAudit can be retrieved only for past 180 days. Please select a date after $MaxStartDate -ForegroundColor Red
return
}
}
@ -155,7 +172,7 @@ While($true)
{
if ($EndDate -eq $null)
{
$EndDate=Read-Host Enter End time for report generation '(Eg: 11/23/2021)'
$EndDate=Read-Host Enter End time for report generation '(Eg: 11/23/2024)'
}
Try
{
@ -190,107 +207,104 @@ if($CurrentStart -eq $CurrentEnd)
Write-Host Start and end time are same.Please enter different time range -ForegroundColor Red
Exit
}
Connect_Modules
$Global:MeetingCount=0
Get_TeamMeetings
$CurrentResultCount=0
$AggregateResultCount=0
Write-Host `nGenerating Teams meeting attendance report from $StartDate to $EndDate...
$ProcessedAuditCount=0
$OutputEvents=0
$ExportResult=""
$ExportResults=@()
$RetriveOperation="MeetingParticipantDetail"
while($true)
#Get participants details if any meetings found
if($Global:MeetingCount -ne 0)
{
#Getting Teams meeting participants report for the given time range
Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations $RetriveOperation -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000 | ForEach-Object {
$ResultCount++
$ProcessedAuditCount++
Write-Progress -Activity "`n Retrieving Team meeting participant report..."`n" Processed audit record count: $ProcessedAuditCount"
$AuditData=$_.AuditData | ConvertFrom-Json
$MeetingID=$AuditData.MeetingDetailId
$CreatedBy=$_.UserIDs
$AttendeesInfo=($AuditData.Attendees)
$Attendees=$AttendeesInfo.userObjectId
$AttendeesType=$AttendeesInfo.RecipientType
if($AttendeesType -ne "User")
{
$Attendees=$AttendeesInfo.DisplayName
}
else
{
$Attendees=(Get-AzureADUser -ObjectId $Attendees).UserPrincipalName
}
$JoinTime=(Get-Date($AuditData.JoinTime)).ToLocalTime() #Get-Date($AuditData.JoinTime) Uncomment to view the Activity Time in UTC
$LeaveTime=(Get-Date($AuditData.LeaveTime)).ToLocalTime()
#Export result to csv
$OutputEvents++
$ExportResult=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Attendees'=$Attendees;'Attendee Type'=$AttendeesType;'Joined Time'=$JoinTime;'Left Time'=$LeaveTime;'More Info'=$AuditData}
$ExportResults= New-Object PSObject -Property $ExportResult
$ExportResults | Select-Object 'Meeting id','Created By','Attendees','Attendee Type','Joined Time','Left Time','More Info' | Export-Csv -Path $OutputCSV -Notype -Append
}
$currentResultCount=$currentResultCount+$ResultCount
if($CurrentResultCount -ge 50000)
$CurrentResultCount=0
$AggregateResultCount=0
Write-Host `nGenerating Teams meeting attendance report from $StartDate to $EndDate...
$ProcessedAuditCount=0
$OutputEvents=0
$ExportResult=""
$ExportResults=@()
$RetriveOperation="MeetingParticipantDetail"
while($true)
{
Write-Host Retrieved max record for current range.Proceeding further may cause data loss or rerun the script with reduced time interval. -ForegroundColor Red
$Confirm=Read-Host `nAre you sure you want to continue? [Y] Yes [N] No
if($Confirm -match "[Y]")
#Getting Teams meeting participants report for the given time range
$Results=Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations $RetriveOperation -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000
$ResultsCount=($Results|Measure-Object).count
foreach($Result in $Results)
{
Write-Host Proceeding audit log collection with data loss
$ProcessedAuditCount++
Write-Progress -Activity "`n Retrieving Team meeting participant report..."`n" Processed audit record count: $ProcessedAuditCount"
$AuditData=$Result.AuditData | ConvertFrom-Json
$MeetingID=$AuditData.MeetingDetailId
$CreatedBy=$Result.UserIDs
$AttendeesInfo=($AuditData.Attendees)
$Attendees=$AttendeesInfo.userObjectId
$AttendeesType=$AttendeesInfo.RecipientType
if($AttendeesType -ne "User")
{
$Attendees=$AttendeesInfo.DisplayName
}
else
{
$Attendees=(Get-ExoRecipient -Identity $Attendees).DisplayName
}
$JoinTime=(Get-Date($AuditData.JoinTime)).ToLocalTime() #Get-Date($AuditData.JoinTime) Uncomment to view the Activity Time in UTC
$LeaveTime=(Get-Date($AuditData.LeaveTime)).ToLocalTime()
#Export result to csv
$OutputEvents++
$ExportResult=@{'Meeting id'=$MeetingID;'Created By'=$CreatedBy;'Attendees'=$Attendees;'Attendee Type'=$AttendeesType;'Joined Time'=$JoinTime;'Left Time'=$LeaveTime;'More Info'=$AuditData}
$ExportResults= New-Object PSObject -Property $ExportResult
$ExportResults | Select-Object 'Meeting id','Created By','Attendees','Attendee Type','Joined Time','Left Time','More Info' | Export-Csv -Path $OutputCSV -Notype -Append
}
$currentResultCount=$CurrentResultCount+$ResultsCount
Write-Progress -Activity "`n Retrieving audit log for $CurrentStart : $CurrentResultCount records"`n" Total processed audit record count: $AggregateResults"
if(($CurrentResultCount -eq 50000) -or ($ResultsCount -lt 5000))
{
if($CurrentResultCount -eq 50000)
{
Write-Host Retrieved max record for the current range.Proceeding further may cause data loss or rerun the script with reduced time interval. -ForegroundColor Red
$Confirm=Read-Host `nAre you sure you want to continue? [Y] Yes [N] No
if($Confirm -notmatch "[Y]")
{
Write-Host Please rerun the script with reduced time interval -ForegroundColor Red
Exit
}
else
{
Write-Host Proceeding audit log collection with data loss
}
}
#Check for last iteration
if(($CurrentEnd -eq $EndDate))
{
break
}
[DateTime]$CurrentStart=$CurrentEnd
#Break loop if start date exceeds current date(There will be no data)
if($CurrentStart -gt (Get-Date))
{
break
}
[DateTime]$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
$CurrentResultCount=0
if($CurrentEnd -gt $EndDate)
{
$CurrentEnd=$EndDate
}
}
else
{
Write-Host Please rerun the script with reduced time interval -ForegroundColor Red
Exit
}
}
if($ResultCount -lt 5000)
{
if($CurrentEnd -eq $EndDate)
{
break
}
$CurrentStart=$CurrentEnd
if($CurrentStart -gt (Get-Date))
{
break
}
$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
$CurrentResultCount=0
if($CurrentEnd -gt $EndDate)
{
$CurrentEnd=$EndDate
$CurrentResultCount=0
$CurrentResult = @()
}
}
$ResultCount=0
}
#Open output file after execution
If($OutputEvents -eq 0)
{
Write-Host No records found
}
else
{
Write-Host `nThe Teams meeting attendance report contains $OutputEvents audit records -ForegroundColor Green
Write-Host `n~~ Script prepared by AdminDroid Community ~~`n -ForegroundColor Green
Write-Host "~~ Check out " -NoNewline -ForegroundColor Green; Write-Host "admindroid.com" -ForegroundColor Yellow -NoNewline;
Write-Host " to get access to 1900+ Microsoft 365 reports. ~~" -ForegroundColor Green `n
if((Test-Path -Path $OutputCSV) -eq "True")
{
Write-Host `nThe Teams meeting attendance report contains $OutputEvents audit records
Write-Host `n" The Teams meetings attendance report available in: " -NoNewline -ForegroundColor Yellow; Write-Host "$OutputCSV"
Write-Host `n~~ Script prepared by AdminDroid Community ~~`n -ForegroundColor Green
Write-Host "~~ Check out " -NoNewline -ForegroundColor Green; Write-Host "admindroid.com" -ForegroundColor Yellow -NoNewline;
Write-Host " to get access to 1800+ Microsoft 365 reports. ~~" -ForegroundColor Green `n`n
$Prompt = New-Object -ComObject wscript.shell
$UserInput = $Prompt.popup("Do you want to open output file?",`
0,"Open Output File",4)
@ -300,9 +314,7 @@ else
Invoke-Item "$ExportCSV"
}
}
}
#Disconnect Exchange Online session
Disconnect-ExchangeOnline -Confirm:$false -InformationAction Ignore -ErrorAction SilentlyContinue