XCON: Message Transfer Agent May Stop on 9405 Errors with Access Violation (243759)

The information in this article applies to:

Microsoft Exchange Server 5.5

This article was previously published under Q243759

SYMPTOMS

The Microsoft Exchange Server message transfer agent (MTA) may repeatedly stop with the following event in the Windows NT Event Viewer:

Event 9405:

An unexpected error has occurred which may cause the MTA to terminate. Error: Access violation (0xc0000005) at Address 0x5e215a reading from 0x0. [BASE XFER-OUT 20] (16)

CAUSE

The MTA is not properly deleting an entity control block after routing a message.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server 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

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 4.

Modification Type:	Major	Last Reviewed:	10/2/2003
Keywords:	kbbug kbExchange550preSP4fix kbExchange550sp4Fix kbfix kbQFE KB243759