Disable Inactive Mailbox

Introduction

This script will convert an existed mailbox to a new mail user.

Scenarios

This script is to help Exchange Administrators to convert mailboxes to mail users via PowerShell.

Script

This script contains one advanced function Convert-OSCMailboxtoMailUser, you can use this script in the following ways:

Step1: Run the script in the Exchange Management Shell, type the one command: Import-Module <Script Path> at the prompt.

For example, type Import-Module C:\Script\ConvertMailboxtoMailUser.psm1

Here are some code snippets for your references.

if($Mbxs){
    Foreach($mbx in $Mbxs){
        $MbxFolderInfo = Get-MailboxFolderStatistics $mbx -IncludeOldestAndNewestItems -FolderScope SentItems
        $lastreceiveddate = $MbxFolderInfo.NewestItemReceivedDate
        #check lastreceivedate
        if($lastreceiveddate){
            $durationdays = (New-TimeSpan $lastreceiveddate.ToLocalTime()).TotalDays
            if($durationdays -ge $Days){
                #Disable the Mailbox
                Disable-Mailbox $mbx -confirm:$false
                Write-Host "Mailbox $mbx is disabled."
            }
        }
    }
}

if($Mbxs){
    Foreach($mbx in $Mbxs){
        $MbxFolderInfo = Get-MailboxFolderStatistics $mbx -IncludeOldestAndNewestItems -FolderScope SentItems
        $lastreceiveddate = $MbxFolderInfo.NewestItemReceivedDate
        #check lastreceivedate
        if($lastreceiveddate){
            $durationdays = (New-TimeSpan $lastreceiveddate.ToLocalTime()).TotalDays
            if($durationdays -ge $Days){
                #Disable the Mailbox
                Disable-Mailbox $mbx -confirm:$false
                Write-Host "Mailbox $mbx is disabled."
            }
        }
    }
}

Examples

Example 1: Disable all mailboxes which were inactive in 90 days in Exchange Environment.
Command: Disable-OSCInactiveMailbox -Days 5
Screenshot:

Example 2: Disable all mailboxes on Mailbox Server "MailboxServer1" which were inactive in 5 days.
Command: Disable-OSCInactiveMailbox -Days 5 -Server "MailboxServer1"
Screenshot:
 

Prerequisite

Exchange 2010 and above Exchange Version
English Version only
PowerShell 2.0

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