XFOR: Internet Mail Loses Message Body

ID: Q192940

The information in this article applies to:

Microsoft Exchange Server, versions 5.0, 5.5

SYMPTOMS

When a message that contains rich text is received from the Internet via the Internet Mail Service, two symptoms can occur:

The Microsoft Exchange information store may use 100 percent of the processor time and not deliver the message.

The message body may be lost.

CAUSE

When the message is received, the rich text part of the message may be corrupt. If the rich text is corrupt, and the information store tries to sync the rich text to the message body, the information store may fail and fall into an infinite loop, or it may lose the data that it was syncing and not retry the operation. If the information store gets into an infinite loop, no more messages are delivered. The store must be restarted, and the failing archive removed from the Exchsrvr\Imcdata\In directory.

RESOLUTION

Exchange Server 5.0

A supported fix that corrects this problem is now available from Microsoft, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Microsoft Exchange Server version 5.0 service pack that contains this fix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

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

Component: Information Store


   File Name    Version
   ------------------------
   Mdbmsg.dll   5.0.1461.63
   Store.exe    5.0.1461.63

Exchange Server 5.5

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: Information Store


   File Name    Version
   -----------------------
   Gapi32.dll   5.5.2402.0
   Mdbmsg.dll   5.5.2402.0
   Store.exe    5.5.2402.0

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 5.0 and 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 2.

Additional query words: Loop High CPU Spin spinning looping crash inbound

Keywords : exc55sp2fix XFOR
Version : WinNT:5.0,5.5
Platform : winnt
Issue type : kbbug