Knowledge Base

XFOR: MSMail Connector NDR Message with Event ID 2117

Article ID: 163020

Article Last Modified on 10/28/2006

Microsoft Exchange Server 4.0 Standard Edition
Microsoft Exchange Server 5.0 Standard Edition

This article was previously published under Q163020

SYMPTOMS

You may receive the following non-delivery report (NDR) from the system administrator when you send a message to a Microsoft Mail 3.x recipient:

   [008] Failure delivering user mail due to mailbag contention.
   Mail item was not delivered to:

When you look at the Windows NT Event Viewer, the following Event IDs are present in the Application Log:

   Event 2010     MSExchangeMSMI    Debug Data
   Disk error encountered while inserting data into 00000004.MBG from
   00004950.

   Event 2117     MSExchangeMSMI    Warning

   Non delivery report generated.

   From: MICROSOFT/NETPO/USER
   Subject: Message from User

   [008] Failure delivering user mail due to mailbag contention.
   Mail item was not delivered to:

CAUSE

This condition usually means that the .mbg (mailbag) file on the Exchange Connector postoffice is over the 4096 record limit.

There is a 4096 record limit built into the .mbg file in Microsoft Mail and also on the Exchange Connector postoffice.

The Microsoft Exchange PC-MTA service may stop and the Microsoft Mail Connector Interchange service (MSMI) continues to move mail to the .mbg file for the downstream Microsoft Mail postoffice. Once this reaches 4096 messages, the MSMI returns an NDR for all new messages.

RESOLUTION

To resolve this problem:

Check to make sure the PC-MTA service is running on the Exchange Server computer.

Additional query words: 4k 400 bytes msmail

Keywords: kbprb kbusage KB163020