This article was previously published under Q224590
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When you batch large numbers of Direct Mail packages, the following erroris logged in the Event Viewer:
TMLBSVC Event: 12290 The '<name of package>' mailing could not be sent to the MessageBuilder because a network error 'The operation timed out' occurred. The return code was c0029b7c.
ListBuilder runs into a timing issue when applying ACLs to the packages ithands off to the Message Builder service.
This causes the application of ACLs to fail. If this occurs, the MessageBuilder service does not pick up the packages because they do not have thecorrect ACLs applied.
ListBuilder interprets this as a network error in communicating with theMessage Builder service and the above event results.
To 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:
152734 How to Obtain the Latest Windows NT 4.0 Service Pack
For information on obtaining the individual software update, contact Microsoft Product Support Services. For a complete list of Microsoft Product Support Services phone numbers and information on support costs, please go to the following address on the World Wide Web: