Network Slowdown

Discussion in 'ESET NOD32 Antivirus' started by JeremyWW, Mar 14, 2011.

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  1. JeremyWW

    JeremyWW Registered Member

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    I rarely have a problem with NOD32 until now. AV V4, Win 7 Pro x64.

    I noticed over the last couple of days a massive internal network slowdown - I can't be precise about when it started unfortunately, but it's very recent, as is the upgrade to W7 x64.

    Yesterday I was copying large files from the desktop PC to the NAS drive and noticed that Windows was cheerfully telling me that a 4.5 GB file would take around an hour to copy, as opposed to the usual 10+ minutes or so. Speed was around 997 Kbps. Also, access to the NAS drive web interface was very slow. Played around with a lot of ideas until out of sheer frustration I removed NOD32 completely and tried again - instantly the same file had a transfer speed of around 6+ Mbps! I confess I have not re-installed NOD32 - yet - I just wanted to check here to see if anyone else has experienced a similar issue and if so what the solution was. This is not a network NOD32 install - NOD32 runs standalone with default settings on each machine which is purely a home network environment with the NAS acting an an always on backup / media server.

    Any thoughts? I'm a long term user of NOD32 and don't want to go elsewhere. Thought I'd try here before calling the support line.
     
  2. Marcos

    Marcos Eset Staff Account

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    Have you tried this?
     
  3. JeremyWW

    JeremyWW Registered Member

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    Does this apply to EAV Marcos? Seems to be related to ESS. Also the slowdowns are across my local net only.
     
  4. gazb

    gazb Registered Member

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    You can always set a limit on size of the file to be scanned allowing you to exclude certain large files. This is in Advanced setup (F5)>Antivirus and Antispyware>ThreatSense engine parameter setup [SETUP]>Limits

    One hour does however seem excessive so it would pertain to an issue.
     
  5. Marcos

    Marcos Eset Staff Account

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    First of all, please narrow it down to the particular module by trying the following, one at a time, until you find the culprit:
    - disable real-time protection via gui
    - disable web protection via gui
    - disable automatic real-time protection start and restart the computer
    - disable web protection by renaming C:\WINDOWS\system32\drivers\epfwtdi.sys in safe mode

    Let us know about your findings.
     
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