Article ID: 196045 - Last Review: October 28, 2006 - Revision: 3.3 XCON: DRAS Connector Fails Connecting to Multiple SitesThis article was previously published under Q196045 SYMPTOMS
When you use a Dynamic RAS (DRAS) connector to connect to more than one
remote site, the Microsoft Exchange Mail Transfer Agent (MTA) may stop
responding (hang) and mail to the remote sites will not be delivered. This
behavior may be accompanied by Event ID 51 messages in the Windows NT
Application Event Log.
Note that a DRAS connector to just one site does not exhibit the problem. CAUSE
The synchronizationTable index for RAS threads was incorrect. Two RAS
threads being started at the same time could potentially access the same
RAS table index causing problems at different layers of the message
transfer agent (MTA) stack.
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:
191014
(http://support.microsoft.com/kb/191014/EN-US/
)
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: Message Transfer Agent (MTA)
File Name Version ------------------------- Dbserver.sch 5.5.2419.0 Dcprods.cat 5.5.2419.0 Ems_rid.dll 5.5.2419.0 Emsmta.exe 5.5.2419.0 Info4log.cfg 5.5.2419.0 Infodlog.cfg 5.5.2419.0 Infollog.cfg 5.5.2419.0 Infotlog.cfg 5.5.2419.0 Mtacheck.exe 5.5.2419.0 Mtamsg.dll 5.5.2419.0 P2.xv2 5.5.2419.0 X400om.dll 5.5.2419.0 X400omv1.dll 5.5.2419.0 STATUS
Microsoft has confirmed this to be a problem in Microsoft Exchange Server
version 5.5.
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