XCON: P1 Headers Containing Very Long Object IDs Cause the MTA to Crash (231818)

SYMPTOMS

When an X.400 message is received by the Message Transfer Agent (MTA) where the P1 header contains very long object IDs (OIDs) (greater than 32 bytes), the MTA will crash.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 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: MTA

File name	Version
Address.dll	5.5.2596.0
Dbserver.sch	N/A
Dcprods.cat	N/A
Ems_rid.dll	5.5.2596.0
Emsmta.exe	5.5.2596.0
Info4log.cfg	N/A
Infoblog.cfg	N/A
Infodlog.cfg	N/A
Infollog.cfg	N/A
Infoplog.cfg	N/A
Infotlog.cfg	N/A
Mmiext.dll	5.5.2596.0
Mtacheck.exe	5.5.2596.0
Mtamsg.dll	5.5.2596.0
P2.xv2	N/A
X400om.dll	5.5.2596.0
X400omv1.dll	5.5.2596.0

STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 3.