Microsoft KB Archive/229739

= Dllhost.exe Shutdown Causes SQL Server to Hang Running Distributed Queries =

Article ID: 229739

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Server 4.0 Standard Edition
 * Microsoft Windows NT Workstation 4.0 Developer Edition

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This article was previously published under Q229739



SYMPTOMS
When you use Microsoft SQL Server 7.0 to gain access to data from an OLE DB provider, if the provider is configured to run out-of-process (that is, in a separate process than the SQL Server process), running successive distributed queries against the provider may cause your computer to stop responding (hang).



CAUSE
This behavior occurs because Dllhost.exe shutdown may prematurely stop the thread running the OLE DB provider, which never returns a call from SQL Server. This causes SQL Server to wait indefinitely.



RESOLUTION
To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

152734 How to Obtain the Latest Windows NT 4.0 Service Pack



STATUS
Microsoft has confirmed that this is a problem in Windows NT 4.0. This problem was first corrected in Windows NT 4.0 Service Pack 5.

Keywords: kbbug kbfix kbqfe kbwinnt400sp5fix KB229739

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