Connect to Exchange Module

#Connect to Exchange Online PowerShell

 Param

 (

    [Parameter(Mandatory = $false)]

    [switch]$Disconnect,

    [switch]$MFA,

    [string]$UserName, 

    [string]$Password

 )

 #Disconnect existing sessions

 if($Disconnect.IsPresent)

 {

  Get-PSSession | Remove-PSSession

  Write-Host All sessions in the current window has been removed. -ForegroundColor Yellow

 }

 #Connect Exchnage Online with MFA

 elseif($MFA.IsPresent)

 {

  #Check for MFA mosule

  $MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)

  If ($MFAExchangeModule -eq $null)

  {

   Write-Host  `nPlease install Exchange Online MFA Module.  -ForegroundColor yellow

   Write-Host You can install module using below blog : `nLink `nOR you can install module directly by entering "Y"`n

   $Confirm= Read-Host Are you sure you want to install module directly? [Y] Yes [N] No

   if($Confirm -match "[yY]")

   {

     Write-Host Yes

     Start-Process "iexplore.exe" "https://cmdletpswmodule.blob.core.windows.net/exopsmodule/Microsoft.Online.CSE.PSModule.Client.application"

   }

   else

   {

    Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'

    Exit

   }

   $Confirmation= Read-Host Have you installed Exchange Online MFA Module? [Y] Yes [N] No

   if($Confirmation -match "[yY]")

   {

    $MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)

    If ($MFAExchangeModule -eq $null)

    {

     Write-Host Exchange Online MFA module is not available -ForegroundColor red

     Exit

    }

   }

   else

   { 

    Write-Host Exchange Online PowerShell Module is required

    Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'

    Exit

   }   

  }

  #Importing Exchange MFA Module

  write-host aaaa

  . "$MFAExchangeModule"

  Connect-EXOPSSession -WarningAction SilentlyContinue | Out-Null

 }

 #Connect Exchnage Online with Non-MFA

 else

 {

  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

  } 

  $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection

  Import-PSSession $Session -DisableNameChecking -AllowClobber -WarningAction SilentlyContinue | Out-Null

 }

 #Check for connectivity

  if(!($Disconnect.IsPresent)){

 If ((Get-PSSession | Where-Object { $_.ConfigurationName -like "*Exchange*" }) -ne $null)

 {

  Write-Host `nSuccessfully connected to Exchange Online

 }

 else

 {

  Write-Host `nUnable to connect to Exchange Online. Error occurred -ForegroundColor Red

 }}