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Windows XP no buffer space available

Hi,
I've got a computer that is running xp pro and recently it started to come up with a problem periodically. It slows down after a few hour of operation and eventually crashes, the only error that I can see is "No buffer space avaialble".

Not sure what would be causing this.

Thanks
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CompTroub
Asked:
CompTroub
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1 Solution
 
ICaldwellCommented:
This means that Windows has run out of TCP/IP socket buffers because too many connections are open at once.  You need to check for Virus's, Malware, Spyware....

Download Malwarebytes from http://www.download.com
Download AVG Virus Scan (Free virus scanner) http://www.avg.com

If you find its normal for you to have a lot of connections open you can try this to increase the buffer space.  I think you have something like Malware or a Virus...



No buffer space available Fix

If you are running Windows NT/2000/XP follow these steps: First step is to launch the registry editor.

To do this go to Start, Run and type regedit.
In the left pane navigate to HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters once there, you must create the entry TcpNumConnections. To do this, right click in the right pane and choose new from the menu and select DWORD Value. Give it the name TcpNumConnections. Then right click it and select modify and enter a value of 200.

Restart your computer, if all goes well then you fixed the problem, if not, revert the changes by restoring the registry. (You may have to reboot to safe mode to do this).

http://web.ircsystems.net/codemastr/bufspace.html
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kaskhedikar_tusharCommented:
Hello,

If your windows XP is Service Pack 1 please install service pack2 & then  download ,update & install spybot.Scan your computer with spybot.
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ICaldwellCommented:
If you that old in Service Packs, I would go all the way up to SP3 and download all security updates...  Do it all from http://windowsupdate.microsoft.com/
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kaskhedikar_tusharCommented:
Hello,

Any heavy application is installed on your computer like java.

Check with this

http://www.coderanch.com/t/416269/Sockets-Internet-Protocols/java/No-buffer-space-available
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CompTroubAuthor Commented:
OK will check for viruses. We are using Citirx Terminal service client to get into work that may be casuing this.? Latest SP3 and updates are installed.
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js-profiCommented:
must not be virus. also a program that doesn't free resources or fails before freeing could be reason. did you check eventvwr?
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CompTroubAuthor Commented:
correct, pc is virus free. Nothing in event viewer.
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Danny ChildIT ManagerCommented:
How often is this pc restarted?  Look for Event 6005 in the Security event log - "The Event Log was Started".  
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ICaldwellCommented:
If you are sure there is No Virus, No malware or Spyware you can increase the number of TCP/IP connections as I mentioned in my first post....  That should fix stop the buffer error but doesn't get rid of the computer slowing down or why all the connections are being used...

I however think you have a program that is acting incorrectly.... Have you installed anything recently?... Checking the event log should lead you in the right direction....
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CompTroubAuthor Commented:
There are heeps of 6005 in the event log but they are not errors.
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ICaldwellCommented:
Which event log, security, or application?

What type of events are they?
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CompTroubAuthor Commented:
In System and only notifications.
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ICaldwellCommented:
What programs do you have running when this happens?  would you be able to send us a screen shot of your Task Manger, processes tab?  You have to have some program which is malfunctioning...

You may want to run msconfig... start, run, ms config... and go to the startup tab and uncheck stuff you don't need starting up... if you find something doesn't work when you reboot you can go back and re-check it...  Possibly you have a malfunctioning update program in the background..
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CompTroubAuthor Commented:
Yes I suspect so. But this is not a startup program as if I leave the pc alone it won't crash. I am suspecting the Citrix client. When this happens some keys won't work on keyboard windows will start slowing down. See if I can grab a screenie.
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CompTroubAuthor Commented:
It was Citirx aoo causing the issue
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