XADM: Corrupted MIME Encoding Causes Information Store to Crash

ID: Q190556

The information in this article applies to:

Microsoft Exchange Server, versions 5.0, 5.5

SYMPTOMS

An incoming Internet Mail message causes the information store to crash.

CAUSE

Messages sent over the Internet are encoded at the sending end and decoded at the receiving end. If Base64 encoding is used and for some reason is corrupted or improperly encoded, the decoding logic in the information store causes an access violation, resulting in an information store crash.

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

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server versions 5.0 and 5.5.

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