XADM: Premature MTA Fanout Inside a Site

ID: Q195200

The information in this article applies to:

Microsoft Exchange Server, version 5.5

SYMPTOMS

Inside a multi-server site, a server may send multiple copies of a message to the bridgehead server. This may occur in the case of a multi-recipient message and a multi-connector bridgehead server: recipients being served by a different connector.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following article in the Microsoft Knowledge Base:

Q191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: Message Transfer Agent (MTA)


   File Name      Version
   -------------------------
   Dbserver.sch   5.5.2436.0
   Dcprods.cat    5.5.2436.0
   Ems_rid.dll    5.5.2436.0
   Emsmta.exe     5.5.2436.0
   Info4log.cfg   5.5.2436.0
   Infodlog.cfg   5.5.2436.0
   Infollog.cfg   5.5.2436.0
   Infotlog.cfg   5.5.2436.0
   Mtacheck.exe   5.5.2436.0
   Mtamsg.dll     5.5.2436.0
   P2.xv2         5.5.2436.0
   X400om.dll     5.5.2436.0
   X400omv1.dll   5.5.2436.0

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5.

MORE INFORMATION

Only one copy of such a message should be relayed inside the site until the message reaches the bridgehead server. It is then the bridgehead server's role to make copies for the different connectors.

Keywords : exc55sp2fix
Version : WinNT:5.5
Platform : winnt
Issue type : kbbug