Unread Messages in All User Inbox Exchange 2007 using Powershell

I need to get a count of all read and unread messages in all the users mailboxes in on our Exchange 2007 Server.

I know how to get a list of inbox size and number of items.  I just need to find out how many are unread.

Does anyone have a powershell script to do this?
Who is Participating?
mrmark75Connect With a Mentor Commented:
Are you logged in as an administrator? You need to be logged in with an account that has mailboxpermission. Make sure you run the shell with administrative privileges.
David Paris VicenteSystems and Comunications  Administrator Commented:
Take a look here.

Let us know if helped.
Create a folder on your exchange server c:\temp

download this and extract it to c:\temp.

now open notepad and copy this into it

$fname = "c:\temp\unreadreport.csv"

$mbcombCollection = @()

get-mailbox | foreach-object{
      $mbcomb = "" | select DisplayName,EmailAddress,Unread
      $mbcomb.DisplayName = $_.DisplayName.ToString()
      $mbcomb.EmailAddress = $_.WindowsEmailAddress.ToString()
      $mbMailboxEmail = $_.WindowsEmailAddress.ToString()
      "Mailbox : " + $mbMailboxEmail
      $ewc = new-object EWSUtil.EWSConnection($mbMailboxEmail,$false, $null,$null,$null,$null)
      $dTypeFld = new-object EWSUtil.EWS.DistinguishedFolderIdType
      $dTypeFld.Id = [EWSUtil.EWS.DistinguishedFolderIdNameType]::inbox

      $mbMailbox = new-object EWSUtil.EWS.EmailAddressType
      $mbMailbox.EmailAddress = $mbMailboxEmail
      $dTypeFld.Mailbox = $mbMailbox

      $fldarry = new-object EWSUtil.EWS.BaseFolderIdType[] 1
      $fldarry[0] = $dTypeFld

      $fldList = $ewc.GetFolder($fldarry)
      [EWSUtil.EWS.FolderType]$pfld = [EWSUtil.EWS.FolderType]$fldList[0];
        $mbcomb.Unread = $pfld.UnreadCount
      $mbcombCollection += $mbcomb

$mbcombCollection | export-csv -noTypeInformation $fname

Save file it to c:\temp  call it userunreadmail.ps1

Now open you exchange management shell

do a cd\
then cd temp
then type    Set-ExecutionPolicy Unrestricted
you will have to accept it with a Y
then type    userunreadmail.ps1
type R
it will run and create a report in the c:\temp dir called unreadreport.csv you can import that to excel and have a nice file. If you dont have many users you can remove:  | export-csv -noTypeInformation $fname  and you will see the output in the shell.   That should get you what you are looking for.
pbradenAuthor Commented:
When I try to type userunreadmail.ps1 I get an error message "The term "userunreadmail.ps1" is not recognized as the name of a cmdlet, function, or script file, or operable program.

if I type .\userunreadmail.ps1 to run the script I get an error message on all the users saying Excetion call "GetFoler" with "2:" arguments: The request failed with HTTP status 401: Unauthorized.:"
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