XADM: Store Uses 100% of CPU on Incoming MIME Binhex Message

ID: Q170060

The information in this article applies to:

Microsoft Exchange Server, version 5.0

SYMPTOMS

You may experience the information store service using 100 percent of the CPU (central processing unit) when processing a specific message coming from the Internet Mail Service.

CAUSE

This is caused by a MIME message with Content-Type = application/mac- binhex40.

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.0. This problem has been corrected in the latest U.S. Service Pack for Microsoft Exchange Server version 5.0. For information on obtaining the service pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

S E R V P A C K

Keywords : kbbug5.00 kbfix5.00.sp2 XADM
Version : WinNT:5.0
Platform : winnt
Issue type : kbbug