Microsoft KB Archive/115281

= Renaming Files Over Network Causes Out of Memory Error =

Article ID: 115281

Article Last Modified on 10/31/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Advanced Server 3.1

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This article was previously published under Q115281



SYMPTOMS
When you repeatedly rename files over a network, Windows NT may run out of virtual memory.

As you run out of virtual memory, an error message appears. It recommends that you increase your page file size. If you monitor Paged Pool Bytes and page file usage in Performance Monitor, you will see that they increase over time.



CAUSE
There is a memory leak in the server code that handles renames and string manipulation. Memory is allocated, used, but never freed. This causes the page pool memory, and thus the page file, to consume all available memory over time.



STATUS
Microsoft has confirmed this to be a problem in Windows NT and Windows NT Advanced Server version 3.1. This problem has been corrected in Windows NT Workstation and Windows NT Server version 3.5. This problem has also been corrected in the latest U.S. Service Pack for Windows NT and Windows NT Advanced Server version 3.1. For information on obtaining the Service Pack, query on the following word in the Microsoft Knowledge Base (without the spaces):

  S E R V P A C K

Additional query words: prodnt

Keywords: kbnetwork KB115281

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