Exchange 2016: Internal mail delivery fails

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  Hi experts,

  Exchange 2016 CU10 fresh install on Windows Server 2012 R2.

  No AV installed. Firewall disabled. No external connectivity for now. It is isolated.

  Internal mail delivery fails. All emails are stuck in poison queue. I am stumped. It is just a single sever.

  
  [PS] C:\Windows\system32>Test-Mailflow

  RunspaceId         : a29f0b31-84dc-467d-9799-daf04fc465a2
  TestMailflowResult : *FAILURE*
  MessageLatencyTime : 00:00:00
  IsRemoteTest       : False
  Identity           :
  IsValid            : True
  ObjectState        : New

  [PS] C:\Windows\system32>Test-ServiceHealth | Fl

  Role                    : Mailbox Server Role
  RequiredServicesRunning : True
  ServicesRunning         : {IISAdmin, MSExchangeADTopology, MSExchangeDelivery, MSExchangeIS,
                            MSExchangeMailboxAssistants, MSExchangeRepl, MSExchangeRPC, MSExchangeServiceHost,
                            MSExchangeSubmission, MSExchangeThrottling, MSExchangeTransportLogSearch, W3Svc, Win
  ServicesNotRunning      : {}

  Role                    : Client Access Server Role
  RequiredServicesRunning : True
  ServicesRunning         : {IISAdmin, MSExchangeADTopology, MSExchangeMailboxReplication, MSExchangeRPC,
                            MSExchangeServiceHost, W3Svc, WinRM}
  ServicesNotRunning      : {}

  Role                    : Unified Messaging Server Role
  RequiredServicesRunning : True
  ServicesRunning         : {IISAdmin, MSExchangeADTopology, MSExchangeServiceHost, MSExchangeUM, W3Svc, WinRM}
  ServicesNotRunning      : {}

  Role                    : Hub Transport Server Role
  RequiredServicesRunning : True
  ServicesRunning         : {IISAdmin, MSExchangeADTopology, MSExchangeEdgeSync, MSExchangeServiceHost,
                            MSExchangeTransport, MSExchangeTransportLogSearch, W3Svc, WinRM}
  ServicesNotRunning      : {}

  [PS] C:\Windows\system32>Get-Queue

  Identity                   DeliveryType Status MessageCount Velocity RiskLevel OutboundIPPool NextHopDomain
  --------                   ------------ ------ ------------ -------- --------- -------------- -------------
  EXCH-W2K12R2\Poison        Undefined    Ready  4            0        Normal    0              Poison Message
  EXCH-W2K12R2\Submission    Undefined    Ready  0            0        Normal    0              Submission

  PS] C:\Windows\system32>Get-MessageTrackingLog -Sender "test@abc.com"

  Timestamp              EventId          Source        Sender                Recipients            MessageSubject
  ---------              -------          ------        ------                ----------            --------------
  6/26/2018 1:42:38 PM   NOTIFYMAPI       STOREDRIVER   test@abc.com     {}
  6/26/2018 1:42:40 PM   RECEIVE          STOREDRIVER   test@abc.com     {john@abc.com  Tuesday Test
  6/26/2018 1:42:42 PM   SUBMIT           STOREDRIVER   test@abc.com    {john@abc.com  Tuesday Test

  Note: Telnet to EXCH-W2K12R2 is successful

  Any thoughts ?

  Thanks,

  
  

  • Edited by tamangketa Tuesday, June 26, 2018 6:45 PM
  • Moved by Edward van BiljonMVP Thursday, June 28, 2018 4:22 AM Moved to correct Forum

  Tuesday, June 26, 2018 6:45 PM