Duplicate Transactional Messages Sent by MSMQ

• Microsoft Windows NT version 4.0 Option Pack
• Microsoft Windows NT Server versions 4.0, 4.0 SP4, 4.0 SP5
• Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP4, 4.0 SP5

SYMPTOMS

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.

CAUSE

This behavior may occur when the receiving computer is restarting while transactional messages are being sent.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, please see the following article in the Microsoft Knowledge Base:

Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack

STATUS

Microsoft has confirmed this to be a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 6.

MORE INFORMATION

For additional information about message queuing, please visit the following Microsoft Web site:

http://www.microsoft.com/NTServer/appservice/exec/overview/MSMQ_Overview.asp

Additional query words:

Keywords : kbinterop ntsp kbbug4.00 kbfix4.00 NT4SP6Fix
Version : winnt:4.0,4.0 SP4,4.0 SP5
Platform : winnt
Issue type : kbbug