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delItemStats.ps1
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delItemStats.ps1
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#######################
<#
.SYNOPSIS
Creates a Statistics Report of Items in the Deleted Item folder in a Mailbox using the Exchange Web Services API
.DESCRIPTION
Creates a Statistics Report of Items in the Deleted Item folder in a Mailbox using the Exchange Web Services API
Requires the EWS Managed API from https://www.microsoft.com/en-us/download/details.aspx?id=42951
.EXAMPLE
PS C:\>Get-DeletedItemsStats -MailboxName user.name@domain.com -ReportFileName c:\temp\delItemStats.csv
This Example creates a Creates a Statistics Report of Items in the Deleted Item folder in a Mailbox
#>
function Get-DeletedItemsStats
{
[CmdletBinding()]
param(
[Parameter(Position=0, Mandatory=$true)] [string]$MailboxName,
[Parameter(Position=1, Mandatory=$true)] [PSCredential]$Credentials,
[Parameter(Position=2, Mandatory=$true)] [string]$ReportFileName
)
Begin
{
## Load Managed API dll
###CHECK FOR EWS MANAGED API, IF PRESENT IMPORT THE HIGHEST VERSION EWS DLL, ELSE EXIT
$EWSDLL = (($(Get-ItemProperty -ErrorAction SilentlyContinue -Path Registry::$(Get-ChildItem -ErrorAction SilentlyContinue -Path 'Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Web Services'|Sort-Object Name -Descending| Select-Object -First 1 -ExpandProperty Name)).'Install Directory') + "Microsoft.Exchange.WebServices.dll")
if (Test-Path $EWSDLL)
{
Import-Module $EWSDLL
}
else
{
"$(get-date -format yyyyMMddHHmmss):"
"This script requires the EWS Managed API 1.2 or later."
"Please download and install the current version of the EWS Managed API from"
"http://go.microsoft.com/fwlink/?LinkId=255472"
""
"Exiting Script."
exit
}
## Set Exchange Version
$ExchangeVersion = [Microsoft.Exchange.WebServices.Data.ExchangeVersion]::Exchange2010_SP2
## Create Exchange Service Object
$service = New-Object Microsoft.Exchange.WebServices.Data.ExchangeService($ExchangeVersion)
## Set Credentials to use two options are availible Option1 to use explict credentials or Option 2 use the Default (logged On) credentials
#Credentials Option 1 using UPN for the windows Account
#$psCred = Get-Credential
$creds = New-Object System.Net.NetworkCredential($Credentials.UserName.ToString(),$Credentials.GetNetworkCredential().password.ToString())
$service.Credentials = $creds
#Credentials Option 2
#service.UseDefaultCredentials = $true
#$service.TraceEnabled = $true
## Choose to ignore any SSL Warning issues caused by Self Signed Certificates
## Code From http://poshcode.org/624
## Create a compilation environment
$Provider=New-Object Microsoft.CSharp.CSharpCodeProvider
$Compiler=$Provider.CreateCompiler()
$Params=New-Object System.CodeDom.Compiler.CompilerParameters
$Params.GenerateExecutable=$False
$Params.GenerateInMemory=$True
$Params.IncludeDebugInformation=$False
$Params.ReferencedAssemblies.Add("System.DLL") | Out-Null
$TASource=@'
namespace Local.ToolkitExtensions.Net.CertificatePolicy{
public class TrustAll : System.Net.ICertificatePolicy {
public TrustAll() {
}
public bool CheckValidationResult(System.Net.ServicePoint sp,
System.Security.Cryptography.X509Certificates.X509Certificate cert,
System.Net.WebRequest req, int problem) {
return true;
}
}
}
'@
$TAResults=$Provider.CompileAssemblyFromSource($Params,$TASource)
$TAAssembly=$TAResults.CompiledAssembly
## We now create an instance of the TrustAll and attach it to the ServicePointManager
$TrustAll=$TAAssembly.CreateInstance("Local.ToolkitExtensions.Net.CertificatePolicy.TrustAll")
[System.Net.ServicePointManager]::CertificatePolicy=$TrustAll
## end code from http://poshcode.org/624
## Set the URL of the CAS (Client Access Server) to use two options are availbe to use Autodiscover to find the CAS URL or Hardcode the CAS to use
#CAS URL Option 1 Autodiscover
$service.AutodiscoverUrl($MailboxName,{$true})
"Using CAS Server : " + $Service.url
#CAS URL Option 2 Hardcoded
#$uri=[system.URI] "https://casservername/ews/exchange.asmx"
#$service.Url = $uri
## Optional section for Exchange Impersonation
#$service.ImpersonatedUserId = new-object Microsoft.Exchange.WebServices.Data.ImpersonatedUserId([Microsoft.Exchange.WebServices.Data.ConnectingIdType]::SmtpAddress, $MailboxName)
# Bind to Deleted Items Folder
$folderid= new-object Microsoft.Exchange.WebServices.Data.FolderId([Microsoft.Exchange.WebServices.Data.WellKnownFolderName]::DeletedItems,$MailboxName)
$DeletedItems = [Microsoft.Exchange.WebServices.Data.Folder]::Bind($service,$folderid)
#Define ItemView to retrive just 1000 Items
$ivItemView = New-Object Microsoft.Exchange.WebServices.Data.ItemView(1000)
$PR_RETENTION_DATE = New-Object Microsoft.Exchange.WebServices.Data.ExtendedPropertyDefinition(0x301C,[Microsoft.Exchange.WebServices.Data.MapiPropertyType]::SystemTime);
$ItemPropset= new-object Microsoft.Exchange.WebServices.Data.PropertySet([Microsoft.Exchange.WebServices.Data.BasePropertySet]::FirstClassProperties)
$ItemPropset.Add($PR_RETENTION_DATE);
$ivItemView.PropertySet = $ItemPropset
$rptCollection = @{}
$fiItems = $null
do{
$fiItems = $service.FindItems($DeletedItems.Id,$ivItemView)
#[Void]$service.LoadPropertiesForItems($fiItems,$psPropset)
foreach($Item in $fiItems.Items){
#Process Item
if($rptCollection.Contains($Item.ItemClass) -eq $false){
$rptObj = "" | Select ItemClass,NumberOfItems,SizeOfItems,OldestItem,NewestItem,RetentionExpire7,RetentionExpire7To14,RetentionExpire14To30,RetentionExpire30Plus,NoRetention
$rptObj.OldestItem = $Item.datetimereceived
$rptObj.NewestItem = $Item.datetimereceived
$rptObj.ItemClass = $Item.ItemClass
$rptObj.NumberOfItems = 1
$rptObj.SizeOfItems = $Item.Size
$rptObj.RetentionExpire7 = 0
$rptObj.RetentionExpire7To14 = 0
$rptObj.RetentionExpire14To30 = 0
$rptObj.RetentionExpire30Plus = 0
$rptObj.NoRetention = 0
$RetvalObj = $null
if($Item.TryGetProperty($PR_RETENTION_DATE,[ref]$RetvalObj)){
$rDays = ($RetvalObj - (Get-Date)).Days
if($rDays -le 7){
$rptObj.RetentionExpire7++
}
if($rDays -gt 7 -band $rDays -le 14 ){
$rptObj.RetentionExpire7To14++
}
if($rDays -gt 14 -band $rDays -le 30 ){
$rptObj.RetentionExpire14To30++
}
if($rDays -gt 30){
$rptObj.RetentionExpire30Plus++
}
}
else{
$rptObj.NoRetention++
}
$rptCollection.Add($Item.ItemClass,$rptObj)
}
else{
if($Item.datetimereceived -ne $null){
if($Item.datetimereceived -gt $rptObj.NewestItem){
$rptObj.NewestItem = $Item.datetimereceived
}
if($Item.datetimereceived -lt $rptObj.OldestItem){
$rptObj.OldestItem = $Item.datetimereceived
}
}
$RetvalObj = $null
if($Item.TryGetProperty($PR_RETENTION_DATE,[ref]$RetvalObj)){
$rDays = ($RetvalObj - (Get-Date)).Days
if($rDays -le 7){
$rptCollection[$Item.ItemClass].RetentionExpire7++
}
if($rDays -gt 7 -band $rDays -le 14 ){
$rptCollection[$Item.ItemClass].RetentionExpire7To14++
}
if($rDays -gt 14 -band $rDays -le 30 ){
$rptCollection[$Item.ItemClass].RetentionExpire14To30++
}
if($rDays -gt 30){
$rptCollection[$Item.ItemClass].RetentionExpire30Plus++
}
}
else{
$rptCollection[$Item.ItemClass].NoRetention++
}
$rptCollection[$Item.ItemClass].NumberOfItems += 1
$rptCollection[$Item.ItemClass].SizeOfItems += $Item.Size
}
}
$ivItemView.Offset += $fiItems.Items.Count
}while($fiItems.MoreAvailable -eq $true)
$rptCollection.Values | Export-Csv -NoTypeInformation -Path $ReportFileName
Write-Output $rptCollection.Values
}
}