RE: Windows Server 2003 network slows

Tech-Archive recommends: Speed Up your PC by fixing your registry

From: Feng Mao (fengmao_at_online.microsoft.com)
Date: 07/23/04 

Date: Fri, 23 Jul 2004 05:51:21 GMT

Hi,

This is really strange. As you said, when the issue occur, CPU was 99% free
and lots of free memory, also you cannot identify throughput based on the
network interface card performance log.

I wonder whether or not it will be the hardware related issue, for example,
the network interface card (NIC). In order to isolate the problem, please
switch or change the NIC card on the DC to see if it occurs again.

Also, please use network montior to trace the NIC to see if there is any
abnormal throughput.

To obtain the time-bombed version of Network Monitor, visit the following
Microsoft Web site:
                                

        ftp://ftp.microsoft.com/pss/tools/netmon

Notes:

- Netmon2.zip contains Netmon 2.0 (Netmon 2.0 runs on Windows NT 4.0,
Windows 2000, and Windows XP)

- Netmon1.zip contains Netmon 1.0 (Netmon 1.0 runs on Windows NT 4.0,
Windows 98, and Windows 95)

- The current password to unzip is "trace". Note that this password may
  change in the future. If it does, see this article for the new password.

For Windows 2003 Server, you can install Network Monitor from Control Panel
-> Add/Remove Programs -> Add/Remove Windows Components -> Management and
Monitoring Tools -> Network Monitor Tools.

For the usage of Network Monitor, please refer to the below KB article:

148942 How to Capture Network Traffic with Network Monitor
http://support.microsoft.com/?id=148942

I hope that it is helpful. Have a nice day!

Thanks & Regards,

Feng Mao [MSFT], MCSE
Microsoft Online Partner Support

Get Secure! - www.microsoft.com/security

=====================================================
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=====================================================
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| Subject: RE: Windows Server 2003 network slows
| Date: Thu, 22 Jul 2004 08:25:42 -0700
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|
| Hi,
|
| When the issue occurs, task manager shows that 99% cpu
| and lots of memory are available. Disk space is not an
| issue either.
|
| I have spent a bit of time matching Network Interface
| Card performance logs with reported network outages and I
| can't say that there is any pattern with bytes sent and
| received when the problem occurs. Its a real strange one.
|
| I was thinking of AV but we are patched up to the top
| (macfee enterprise virus scan) or possible dodgy switch.
|
| There are only 2 DC (one 2003 and one NT4).
|
| Its important to note that the whole machine does not
| lock, it just falls off the network. Clients can't ping
| it (even by ip address).
|
| Any other thoughts?
|
| >-----Original Message-----
| >Hi,
| >
| >Thank you for posting!
| >
| >We need identify the cause that makes your Domain
| Controllers slow. You may
| >run Task Manager or some other third party utility like
| Process Explorer
| >(can be found at http://www.sysinternals.com) to
| identify which process
| >cause the slow performance. You may also use Task
| Manager or Performance
| >Montior to check the Network usage. If there are lots of
| network traffic,
| >you may run Network Monitor to capture the network
| package to see the
| >destination of these packages.
| >
| >Also I wonder whether all Domain Controllers encounter
| the same issues when
| >the problem occurs.
| >
| >Have a nice day!
| >
| >Thanks & Regards,
| >
| >Feng Mao [MSFT], MCSE
| >Microsoft Online Partner Support
| >
| >Get Secure! - www.microsoft.com/security
| >
| >=====================================================
| >When responding to posts, please "Reply to Group" via
| your newsreader so
| >that others may learn and benefit from your issue.
| >=====================================================
| >This posting is provided "AS IS" with no warranties, and
| confers no rights.
| >
| >
| >
| >.
| >
|

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