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An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full (10055), on API 'connect'.

Posted on 2011-09-13
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Last Modified: 2012-06-27
Hello,  Client has a Server 2003 we are running as a Terminal Server, has been running fine until yesterday and now can't get on network, internet etc and event viewer is filling up with this:

The description for Event ID ( 0 ) in Source ( explorer.exe ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer. You may be able to use the /AUXSOURCE= flag to retrieve this description; see Help and Support for details. The following information is part of the event: Windows socket error: An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full (10055), on API 'connect'.

Ran Malware Bytes scan last night found a couple things that it removed and rebooted server and it start right back up with same problem?

Thanks,
Rob
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Question by:mikehale1
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Sandeshdubey earned 500 total points
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This error is caused when you computer has opened the maximum amount of TCP/IP ports. First I would suggest you try running a spyware and anti-virus scans to make sure nothing is connecting that is not suppose to. (links are in my signature). Then run windows update and download all aviable updates.
Remove the /3gb switch from c:\boot.ini. The root problem in this case is memory pressure on the OS, so removing the /3gb switch will give more memory to the OS and will alleviate this problem.
Let us know if this helps.
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by:mikehale1
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I had ran MalwareBytes and it found a couple things, but didn't resolve.  Then ran A-Squared and it found some other junk and got it cleared up.  Thanks for you response.
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by:mikehale1
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It is making me choose 2 experts, but only only one person replied and even though I resolved before hearing back from Sandeshdubey, their comment was to check for spyware more, which was the solution.
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