Celebrate National IT Professionals Day with 3 months of free Premium Membership. Use Code ITDAY17

x
?
Solved

Windows 2008 R2 Server frequently freezes network activity

Posted on 2013-12-17
4
Medium Priority
?
590 Views
Last Modified: 2014-05-28
Hi, fellow experts,

one of our customers runs Windows 2008 R2, fully updated using Microsoft Update, Intel Pro/1000 PT NIC (drivers 9.16.10.0). Several times during the day all network activities freeze for some seconds to some minutes, and then resume as if nothing had happened. During that time the server's console can be used pretty normally, notepad (for example), task manager etc. can be started and used normally. Only network activies are frozen. I can't even ping 127.0.0.1 at that time. To test this, I'm running a batch with an endless loop that pings 127.0.0.1 and logs the time - when the server freezes the network acitivies, the ping just pauses and eventually resumes as if nothing had happened. It still lists pings roundtrip time as <1 ms. The servers logs nothing particular in the event logs for that time.

There's another server running in a Hyper-V instance on that server, and that, too, experiences identical problems - can't ping 127.0.0.1 when the network on the physical box freezes.

I have already replaced the server's NIC, although by another Intel one, and thus using the same drivers. No change here either...

Do you have any clue what's happening here? Especially the lack of entries in the eventlog bothers me - the problem just goes away after some time as if nothing had happened...

I'm attaching an Excel-File that shows the ping log - should be 2-3 seconds per ping...

Thanks for your feedback,
Thomas
Pingtest.xlsx
0
Comment
Question by:Staudte
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 3
4 Comments
 
LVL 14

Expert Comment

by:Ram Balachandran
ID: 39724402
Check if the network adapter is compactible with the Server Hardware
For Windows 2008 R2, you can fine tune the network settings, follow the document for Windows 2008 R2 from the below link
http://msdn.microsoft.com/en-us/library/windows/hardware/dn529134
0
 

Author Comment

by:Staudte
ID: 39828193
In the meantime I have used another NIC from another manufacturer - same problem. Also, the physical server has been fully replaced by now, so I can exclude a hardware problem. (Harddisks were kept, so the OS and software was not changed.) Other - identical - servers (same hardware, some OS) at other sites are working fine, so I suspect some sort of software problem.

I don't see how fine tuning network settings would help - could you please be a bit more specific there? I mean, after all even pinging 127.0.01 stalls for many seconds (to a couple of minutes). This requires more than "fine tuning"...
0
 

Accepted Solution

by:
Staudte earned 0 total points
ID: 40087419
It appears that it was the SmartScan feature of the TrendMicro Worry Free Business Antivirus tool... "Worry Free" hah! Good joke.... Disableing that function cured the problem.
0
 

Author Closing Comment

by:Staudte
ID: 40095112
There were no other significant comments...
0

Featured Post

Nothing ever in the clear!

This technical paper will help you implement VMware’s VM encryption as well as implement Veeam encryption which together will achieve the nothing ever in the clear goal. If a bad guy steals VMs, backups or traffic they get nothing.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

I was supporting a handful of Windows 2008 (non-R2) 2 node clusters with shared quorum disks. Some had SQL 2008 installed and some were just a vendor application that we supported. For the purposes of this article it doesn’t really matter which so w…
This article explains how to install and use the NTBackup utility that comes with Windows Server.
This tutorial will show how to push an installation of Backup Exec to an additional server in both 2012 and 2014 versions of the software. Click on the Backup Exec button in the upper left corner. From here, select Installation and Licensing, then I…
This tutorial will give a an overview on how to deploy remote agents in Backup Exec 2012 to new servers. Click on the Backup Exec button in the upper left corner. From here, are global settings for the application such as connecting to a remote Back…

730 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question