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On a file server that is running Windows Server 2003, CPU utilization for the System process increases to 100 percent

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Symptoms
Consider the following scenario. You have a file server that is running Windows Server 2003. Some clients that have Trend Micro OfficeScan installed connect to this file server. In this scenario, the following symptoms may occur on the file server:
  • CPU utilization for the System process increases to 100 percent.
  • If you disconnect the file server's network adapter, CPU utilization decreases to the standard level.
  • If you use the Network Monitor tool to trace network traffic, you discover that many packets that are sent from the file server contain a "STATUS_NO_SUCH_FILE" error message. For example, these packets contain an error message that resembles the following:
    172.31.28.228 SMB SMB: R; Transact2, Open2 - NT Status: System - Error, Code = (15) STATUS_NO_SUCH_FILE
  • If you run Process Explorer, you see that the Srv.sys file has a continuous instance that uses excessive system resources.

    To download Process Explorer, visit the following Microsoft Web site:
Cause
The problem is caused by the Pccntmon.exe file on the client. If you have Trend Micro OfficeScan installed, the operating system queries for the files in folders that do not exist. The Pccntmon.exe file is located in the following folder on the client:
drive:\program files\trend micro\officescan client\pccntmon.exe Version 8.0.0.1004
Note The drive placeholder represents the drive on which the operating system is installed.
Resolution
To update OfficeScan, contact Trend Micro.

For information about your hardware manufacturer, visit the following Web site:Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
Workaround
If you cannot immediately obtain the update for Trend Micro OfficeScan, work around this problem by disabling an option in the Trend Micro OfficeScan Management Web Console. To do this, follow these steps:
  1. In the Trend Micro OfficeScan Management Web Console, click Network Clients, and then click Global Client Settings.
  2. In the Alert Settings section, click to clear the Show the alert icon on the Windows taskbar if the virus pattern file is not updated after XX day(s) check box. This operation turns off the process that constantly searches for updates every time that a connection is made to a remote source.
Properties

Article ID: 941756 - Last Review: 08/13/2012 03:41:00 - Revision: 2.0

Microsoft Windows Server 2003, Standard Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Standard x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Datacenter x64 Edition

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