CPU utilization for the Svchost.exe process increases when you use Removable Storage Manager to frequently mount media or dismount media on a Windows 2000-based server (899904)

SYMPTOMS

Consider the following scenario. You are using a Microsoft Windows 2000-based server. You use Removable Storage Manager (RSM) with a CD changer or a DVD changer to frequently mount media or dismount media. In this scenario, the following symptoms occur:

Every time that you mount media or dismount media, a gradual increase in the CPU utilization for the Svchost.exe process occurs.
Every time that you mount media or dismount media, the mounting process takes more time than you expect.

Note The Svchost.exe process runs the Microsoft Windows NT Media service (Ntmssvc.dll).

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

To apply this hotfix, you must have Windows 2000 Service Pack 4 (SP4) installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Version         Size       File name
   ----------------------------------------------------------
   15-Jul-2005  15:04  5.0.2195.7006      53,520  Ntmsapi.dll      
   15-Jul-2005  15:04  5.0.2195.7006     170,256  Ntmsdba.dll      
   15-Jul-2005  15:04  5.0.2195.7006      39,184  Ntmsevt.dll      
   15-Jul-2005  15:04  5.0.2195.7006     438,032  Ntmsmgr.dll      
   15-Jul-2005  15:04  5.0.2195.7059     401,680  Ntmssvc.dll      
   03-Dec-2004  03:56  5.0.2074.7006      47,376  Rsm.exe          
   21-Apr-2005  10:07  5.0.2195.7040   6,309,376  Sp3res.dll