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Windows Thread, W2k3 clients sloooow dooown (now with improved DNS flavor) in Technical; I figured I would take a shot in the dark and see if anyone had any tips concerning my plight. ...
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    W2k3 clients sloooow dooown (now with improved DNS flavor)

    I figured I would take a shot in the dark and see if anyone had any tips concerning my plight.

    Many of our workstations have developed a lag when connecting to our Win 2k3 domain controller/file server. (Grabbing files from their home directory and bringing up linked menus) The server is not being taxed (processor, RAM, and network bandwidth are fine. As is responsiveness when I’m using the server directly) and clients connecting to other servers on the same network don’t have any issues which leads me to believe it’s not hardware.

    I realize I’m not providing enough details, but thought that some general hints might point me toward something I’ve overlooked.

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    tosca925's Avatar
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    Re: W2k3 clients sloooow dooown

    DNS.................?

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    Re: W2k3 clients sloooow dooown

    Almost always DNS... run DCDIAG on the server and netdiag on the cllients (maybe compare the output of an unaffected machine and an affected one).

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    Re: W2k3 clients sloooow dooown

    I'll third that. DNS issues nearly always cause this behaviour.

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    Re: W2k3 clients sloooow dooown

    Thanks for the help. (I hate my network and I'm just hoping to limp into summer before i perform percussive maintenance with a sledgehammer on the blasted thing)

    I've been looking into our DNS settings and I'm a bit perplexed. I've found no obvious smoking gun typo or incorrect settings that my limited knowledge and research can ascertain.

    However, this is showing up in the event log every couple of minutes and it seems it has been since the beginning of the log.

    "The description for Event ID ( 4521 ) in Source ( DNS ) cannot be found. The local computer may not have the necessary registry information or message DLL files to display messages from a remote computer."

    Another fun thing is when I run nslookup on a client it works fine the first time, but then on subsequent attempts it warns me that it can't find nslookup :non-existent domain.


    Any ideas?

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    Re: W2k3 clients sloooow dooown (now with improved DNS flavor)

    @Blind: Check that your DNS settings on the clients point to your DCs (which should be running DNS) and then try re-joining them to the domain.

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    Re: W2k3 clients sloooow dooown (now with improved DNS flav

    I would also make a new clean UO w/o a gpo and move an affected comp there and see if its fixed,a weird misclick on a GPO could cause some weird issues.

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    Re: W2k3 clients sloooow dooown (now with improved DNS flav

    Thanks for the suggestions. (my predecessor was fatally allergic to using group policy and until this summer I am master of a registry hacked sneakernet)

    Illness and other projects have prevented me from being able to devote the necessary time to really investigate this issue, but I have uncovered a few more clues. I appears the issue is a trifle more intermittent than I first thought. At the end of the day it seems to vastly improve. Although I have not had a chance to test my theory, I am guessing that this may have something to do with the server running all the teacher and student home folders on a overworked heavily fragmented software configured RAID 1 SATA setup.

    (only a few short weeks until summer break when I get format and replace this monstrosity)

    btw: how long is summer vacation on your side of the Pond?

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    Re: W2k3 clients sloooow dooown (now with improved DNS flavor)

    It’s just occurred to me that this behavior began about the time the server was updated to SP2. I can’t find anything online that mentions this type of problem with 2003 SP2, but I would be curious to know if any of you have come across something that might indicate a correlation…

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    Re: W2k3 clients sloooow dooown (now with improved DNS flav

    how long is summer vacation on your side of the Pond

    THe kids get 6 weeks off but unfortunatley most of us techs don't ge tmuch time of in the 6 weeks holidy because this tends to be our busy time getting new rooms and equipment set up in time for the next school year starting in sept.

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    Re: W2k3 clients sloooow dooown (now with improved DNS flavor)

    What spec is your server?

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