Tuesday, 14 April 2015

Debugging the autodisover process in Exchange 2013

A script provided by Mike Pfeiffer (http://mikepfeiffer.net) that can retrieve autodiscover information can be found below:

http://mikepfeiffer.net/2011/08/testing-exchange-autodiscover-with-powershell-and-the-ews-managed-api/

Save the script to a file and then invoke it (e.g. .\autodiscover.ps1) to register the Test-Autodiscover cmdlet and then run one of following:

- For external auto-discover settings: Test-Autodiscover -EmailAddress administrator@uclabs.ms -Location external
- For internal auto-discover settings: Test-Autodiscover -EmailAddress administrator@uclabs.ms -Location internal

function Test-Autodiscover {
    [CmdletBinding()]
    param(
      [Parameter(Position=1, Mandatory=$true)]
      [String]
      $EmailAddress,
     
      [ValidateSet("Internal", "External")]
      [Parameter(Position=2, Mandatory=$false)]
      [String]
      $Location = "External",     
     
      [Parameter(Position=3, Mandatory=$false)]
      [System.Management.Automation.PSCredential]
      $Credential,
     
      [Parameter(Position=4, Mandatory=$false)]
      [switch]
      $TraceEnabled,
     
      [Parameter(Position=5, Mandatory=$false)]
      [bool]
      $IgnoreSsl = $true,
     
      [Parameter(Position=6, Mandatory=$false)]
      [String]
      $Url
      )
     
      begin{
        Add-Type -Path 'C:\Program Files\Microsoft\Exchange\Web Services\1.1\Microsoft.Exchange.WebServices.dll'
      }
     
      process {
        $autod = New-Object Microsoft.Exchange.WebServices.Autodiscover.AutodiscoverService
        $autod.RedirectionUrlValidationCallback = {$true}
        $autod.TraceEnabled = $TraceEnabled
       
        if($IgnoreSsl) {
          [System.Net.ServicePointManager]::ServerCertificateValidationCallback = {$true}       
        }
       
        if($Credential){
          $autod.Credentials = New-Object Microsoft.Exchange.WebServices.Data.WebCredentials -ArgumentList $Credential.UserName, $Credential.GetNetworkCredential().Password
        }
       
        if($Url) {
          $autod.Url = $Url
        }
       
        switch($Location) {
          "Internal" {
            $autod.EnableScpLookup = $true
            $response = $autod.GetUserSettings(
              $EmailAddress,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalRpcClientServer,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalEcpUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalEwsUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalOABUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalUMUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalWebClientUrls
            )
           
            New-Object PSObject -Property @{
              RpcClientServer = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalRpcClientServer]
              InternalOwaUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalWebClientUrls].urls[0].url
              InternalEcpUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalEcpUrl]
              InternalEwsUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalEwsUrl]
              InternalOABUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalOABUrl]
              InternalUMUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::InternalUMUrl]
            }
          }
          "External" {
            $autod.EnableScpLookup = $false
            $response = $autod.GetUserSettings(
              $EmailAddress,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalMailboxServer,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalEcpUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalEwsUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalOABUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalUMUrl,
              [Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalWebClientUrls
            )
           
            New-Object PSObject -Property @{
              HttpServer = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalMailboxServer]
              ExternalOwaUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalWebClientUrls].urls[0].url
              ExternalEcpUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalEcpUrl]
              ExternalEwsUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalEwsUrl]
              ExternalOABUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalOABUrl]
              ExternalUMUrl = $response.Settings[[Microsoft.Exchange.WebServices.Autodiscover.UserSettingName]::ExternalUMUrl]
            }           
          }
        }               
      }
<#
    .SYNOPSIS
        This function uses the EWS Managed API to test the Exchange Autodiscover service.

    .DESCRIPTION
        This function will retreive the Client Access Server URLs for a specified email address
        by querying the autodiscover service of the Exchange server.

    .PARAMETER  EmailAddress
        Specifies the email address for the mailbox that should be tested.

    .PARAMETER  Location
        Set to External by default, but can also be set to Internal. This parameter controls whether
        the internal or external URLs are returned.
       
    .PARAMETER  Credential
        Specifies a user account that has permission to perform this action. Type a user name, such as
        "User01" or "Domain01\User01", or enter a PSCredential object, such as one from the Get-Credential cmdlet.
       
    .PARAMETER  TraceEnabled
        Use this switch parameter to enable tracing. This is used for debugging the XML response from the server.   
       
    .PARAMETER  IgnoreSsl
        Set to $true by default. If you do not want to ignore SSL warnings or errors, set this parameter to $false.
       
    .PARAMETER  Url
        You can use this parameter to manually specifiy the autodiscover url.       

    .EXAMPLE
        PS C:\> Test-Autodiscover -EmailAddress administrator@uclabs.ms -Location internal
       
        This example shows how to retrieve the internal autodiscover settings for a user.

    .EXAMPLE
        PS C:\> Test-Autodiscover -EmailAddress administrator@uclabs.ms -Credential $cred
       
        This example shows how to retrieve the external autodiscover settings for a user. You can
        provide credentials if you do not want to use the Windows credentials of the user calling
        the function.

    .LINK
        http://msdn.microsoft.com/en-us/library/dd633699%28v=EXCHG.80%29.aspx

#>     
}

In order to run this script you will need to download Exchange Web Services from:
http://www.microsoft.com/en-gb/download/details.aspx?id=28952

A sample break down of the RPCClientServer value output can be found below:

The RPCClientServer can be broken down into two parts:

- The GUID is the ExchangeGUID (not the GUID property!) property of the mailbox.
- The domain reperesents where the mailbox is situated.

get-mailbox |ft Name, ExchangeGuid > c:\guid.txt

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