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There are shares on the server people access
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There are shares on the server people access

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In Task Manager, go to the Processes tab, check the &quot;Show Processes from All Users&quot; checkbox, and then sort by either the CPU or the CPU Time columns. &nbsp;See what bubbles up to the top. &nbsp;If needed, add a bunch more columns (View/Select Columns) to get other details, such as the command line.<br />
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Or, better yet, download Process Explorer from <a href="http://www.SysInternals.com" rel="ugc">www.SysInternals.com</a>&nbsp;(now part of Microsoft), sort the processes by CPU, and start drilling down to see what it is doing.
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In Task Manager, go to the Processes tab, check the "Show Processes from All Users" checkbox, and then sort by either the CPU or the CPU Time columns.  See what bubbles up to the top.  If needed, add a bunch more columns (View/Select Columns) to get other details, such as the command line.

Or, better yet, download Process Explorer from www.SysInternals.com [http://www.SysInternals.com] (now part of Microsoft), sort the processes by CPU, and start drilling down to see what it is doing.

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HI All, <br />
<br />
We have a windows 2008 R2 server, the CPU spikes all of a sudden. I think it's the system process that causes it to spike. <br />
<br />
There are 8 CPU's on the server and CPU 1 always seems to be 100%, how do i find out whats causing this?<br />
<br />
Thank you in advance, <br />
<br />
Regards, <br />
Kay
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HI All, 

We have a windows 2008 R2 server, the CPU spikes all of a sudden. I think it's the system process that causes it to spike. 

There are 8 CPU's on the server and CPU 1 always seems to be 100%, how do i find out whats causing this?

Thank you in advance, 

Regards, 
Kay

High CPU Usage - WIndows 2008 R2 Server

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

The Microsoft Legacy Operating System topic includes legacy versions of Microsoft operating systems prior to Windows 2000: All versions of MS-DOS and other versions developed for specific manufacturers and Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions, and Windows Mobile.

Microsoft Legacy OS

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).

Windows Server 2003

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

This topic area includes legacy versions of Windows prior to Windows 2000: Windows 3/3.1, Windows 95 and Windows 98, plus any other Windows-related versions including Windows Mobile.