Odd issue with clients checking in

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  • #6644
    AvatarRaspy32
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    • Regular Joe
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    We are running WDM 4.5.3 (yes I know…) on a Windows 2003 R2 server with SQL 2005 (running on a VMWare ESX slice) and are having a number of issues. This server is newly built to try and resolve the same problems with the old Win 2000 box. I have not copied the database across so these issues cannot be related to old hardware or database issues on the server end.

    There should be approx 5600 devices checking in, but prior to the server rebuild there were only around 2800. Even now, after a new server and lots of device discovery runs, there are only 4200. Not only that but it seems that once certain devices have checked in once, they do not bother again. This was working up until a few weeks ago with the same agents on most of the devices.

    Has anyone else had issues with WDM on a virtual slice? I was wondering if it could be something to do with the way VMWare handles the virtual NICs but running Wireshark is inconclusive.

    Any advice would be well received – it’s driving me crazy.

    #20506
    Avatarjfunk
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    • Newbie

    We have the same issue here. It’s to do with the fact that when a WDM server discovers the devices, their WDM settings (check control panel) update to reflect the server that has most recently discovered the device. Then, when the other server discovers the device, it’s updated again. Hence neither WDM server shows most devices as fully “green” all the time. I’d recommend that if you have the old server still up and running, turn it down for a while and run a new discovery.

    As far as why you can’t discover some devices… I would say that you may want to check network objects between your new server and your clients to see if you have any different firewall/ACL.

    #20509
    AvatarRaspy32
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    • Regular Joe
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    Thanks for the reply – I initially thought that, but disconnected the old server from the network so it could not possibly talk to any of the devices. However, it looks like it might have been an issue with the firewall reaching its maximum configured connections and dropping “some” of the packets (so devices were only receiving partial data from the server). At least we have a lot more devices appearing now.

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