Duplicate Transactional Messages Sent by MSMQ
This article was previously published under Q241525
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When you use Microsoft Message Queue Server (MSMQ) on your computer running Windows NT 4.0, MSMQ can be configured to guarantee "only once" delivery of transactional messages without duplicate messages for forty-five days. However, it is possible, under certain conditions, to receive duplicate transactional messages within a twenty-four hour time frame.
This behavior may occur when the receiving computer is restarting while transactional messages are being sent.
Windows NT Server or Workstation 4.0To resolve this problem, obtain the latest service pack for Windows NT 4.0 or the individual software update. For information on obtaining the latest service pack, please go to:
Windows NT Server 4.0, Terminal Server EditionTo resolve this problem, obtain the latest service pack for Windows NT Server 4.0, Terminal Server Edition. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
Microsoft has confirmed that this is a problem in Windows NT 4.0 and Windows NT Server 4.0, Terminal Server Edition.
This problem was first corrected in Windows NT Server 4.0 Service Pack 6 and Windows NT Server 4.0, Terminal Server Edition Service Pack 6.
For additional information about message queuing, please visit the following Microsoft Web site:
Article ID: 241525 - Last Review: 11/02/2013 19:19:00 - Revision: 3.0
Microsoft Windows NT Server 4.0 Standard Edition, Microsoft Windows NT Server 4.0 Enterprise Edition
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