Server blocks computer IP from accessing it?


  1. threeeye
    Posts : 5
    Windows 10
       New #1

    Server blocks computer IP from accessing it?


    Hi guys,
    I posted about this issue a long time ago, I thought it was fixed, but I guess not...
    The issue was with LTSB 2016 and Server 2016, but now it is happening also with LTSC 2019 and Server 2019.

    I have a few servers (all of them 2019), RP, print etc...
    Sometimes a server (randomly) decides to block a computer from accessing it until I change the computers IP, or wait about 45min...

    Sometimes I'm in a remote to 1 of the servers, and just out of the blue I get disconnected from the session

    Example:
    My print server is deploying the printers with GPO, I installed a new computer, joined it to my domain, did gpupdate but it did not get the printers, I can ping the server, but I can't access it via \\print-server to show all the printers, but as soon as I changed IP, and re-gpupdate, I get the printers.

    Yes, I tried turning off the firewall and AV

    Anyone else having/had this issue?
    Can anyone help?

    Thanks
    Last edited by threeeye; 02 Mar 2020 at 09:09. Reason: grammer
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  3. xaccell
    Posts : 264
    Windows 10
       New #2

    sounds like a DNS issue...
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  4. threeeye
    Posts : 5
    Windows 10
    Thread Starter
       New #3

    xaccell said:
    sounds like a DNS issue...
    I thought of that, but sometimes I can't even ping the server, not by name, FQDN or IP (I forgot to mention this)...
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  6. Samuria
    Posts : 8,111
    windows 10
       New #4

    Are all pcs on the same subnet ip range?
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  7. threeeye
    Posts : 5
    Windows 10
    Thread Starter
       New #5

    Samuria said:
    Are all pcs on the same subnet ip range?
    We have a /22 network, the servers are on 192.168.1.x, the DHCP is 192.168.2.x
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