CAS角色服务器，多个服务不能启动

域环境下一共4台EXCHANGE 邮件服务器2台CAS 2台MAILBOX

用的EXCHANGE 2013 服务器版本2008R2

对比另外 一台正常运行的CAS 有以下两个 服务一起无法启动，找不着原因

MSExchangeFrontEndTransport

--它手动开启提示：错误1053，服务并未以适时的方式回应请启动控制请求

Microsoft Exchange 整合通訊呼叫路由器

--它只显示 “启动”而不是“已启动”

然后  在系统日志全部是以下错误：（非常非常多）

記錄檔名稱:         Application
來源:            MSExchange ADAccess
日期:            2015/12/18 上午 10:32:03
事件識別碼:         4027
工作類別:          一般
等級:            錯誤
關鍵字:           傳統
使用者:           不適用
電腦:            SSCAS01.Song-Shang.com
描述:
處理程序 w3wp.exe (FE_Ews) (PID=1876)。無法對伺服器 (TopologyClientTcpEndpoint (localhost)) 上的 Microsoft Exchange Active Directory 拓撲服務發出 WCF 要求 (Get Servers for Song-Shang.com)。請確認正在執行該服務。此外， 確認防火牆未封鎖 Microsoft Exchange Active Directory 拓撲服務所使用的網路連接埠。已重試 WCF 呼叫 3 次。錯誤詳細資料
 No Minimal Required Number of Suitable Directory Servers Found in Forest Song-Shang.com Site SongShang and connected Sites.
   at Microsoft.Exchange.Directory.TopologyService.ADTopologyDiscovery.Discover()
   at Microsoft.Exchange.Directory.TopologyService.ADTopologyDiscovery.DoWork(CancellationToken cancellationToken)
   at Microsoft.Exchange.Directory.TopologyService.Common.WorkItem`1.Execute(CancellationToken joinedToken)
   at Microsoft.Exchange.Directory.TopologyService.Common.WorkItem`1.<>c__DisplayClass6.<StartExecuting>b__4()
   at System.Threading.Tasks.Task.Execute()
   at Microsoft.Exchange.Directory.TopologyService.TopologyDiscoveryManager.EndGetTopology(IAsyncResult ar)
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.InternalEndGetServersForRole(IAsyncResult result)
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.<>c__DisplayClassa.<EndGetServersForRole>b__9()
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.ExecuteServiceCall(Action action)
事件 Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="MSExchange ADAccess" />
    <EventID Qualifiers="49156">4027</EventID>
    <Level>2</Level>
    <Task>1</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2015-12-18T02:32:03.000000000Z" />
    <EventRecordID>554569</EventRecordID>
    <Channel>Application</Channel>
    <Computer>SSCAS01.Song-Shang.com</Computer>
    <Security />
  </System>
  <EventData>
    <Data>w3wp.exe (FE_Ews)</Data>
    <Data>1876</Data>
    <Data>Get Servers for Song-Shang.com</Data>
    <Data>TopologyClientTcpEndpoint (localhost)</Data>
    <Data>3</Data>
    <Data>No Minimal Required Number of Suitable Directory Servers Found in Forest Song-Shang.com Site SongShang and connected Sites.
   at Microsoft.Exchange.Directory.TopologyService.ADTopologyDiscovery.Discover()
   at Microsoft.Exchange.Directory.TopologyService.ADTopologyDiscovery.DoWork(CancellationToken cancellationToken)
   at Microsoft.Exchange.Directory.TopologyService.Common.WorkItem`1.Execute(CancellationToken joinedToken)
   at Microsoft.Exchange.Directory.TopologyService.Common.WorkItem`1.&lt;&gt;c__DisplayClass6.&lt;StartExecuting&gt;b__4()
   at System.Threading.Tasks.Task.Execute()
   at Microsoft.Exchange.Directory.TopologyService.TopologyDiscoveryManager.EndGetTopology(IAsyncResult ar)
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.InternalEndGetServersForRole(IAsyncResult result)
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.&lt;&gt;c__DisplayClassa.&lt;EndGetServersForRole&gt;b__9()
   at Microsoft.Exchange.Directory.TopologyService.TopologyService.ExecuteServiceCall(Action action)</Data>
  </EventData>
</Event>