Windows 10: Very unstable local network

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  1.    22 Nov 2017 #1

    Very unstable local network


    Hi there,

    I have a very small local network consisting of a desktop and a laptop both running windows 10 fall creator. The desktop is connected by cable to a router and the laptop connected via wifi. The desktop's file manager can see the laptop, but the desktop is not shown on the laptop's file manager. That is, sometimes the desktop is displayed, but other times it is not. In short, the network is very unstable. I have pinged the desktop from the laptop and the connection seems ok, and I have also pinged 127.0.0.1 to check the network card of the the laptop. Also fine.
    I have run the Windows built-in trouble shooter to check on the network card. It can't find anything wrong with it . I have diagnosed the network itself. Same result nothing wrong. I have tried and tried, but it seems I can't find what is at fault here.

    So what I am asking is this. When the network is down, is there anything I can do to sort of "wake" it up or do I have to wait till next time it chooses to connect the desktop to the laptop that is the desktop is displayed by the laptop's file manager.

    oeivinr
      My ComputerSystem Spec


  2. Posts : 171
    Windows 10 Pro
       22 Nov 2017 #2

    Check how long the lease on the IP address's are in the router.

    I had a similar issue every hour or so and found it was renewing the ip address every hour.

    Other then that its a matter of rebooting all devices and changing the cable to the desktop.
      My ComputerSystem Spec


  3. Posts : 60
    Win 10 64 Bit
       24 Nov 2017 #3

    I am having the same problem. Running 2 desktops running 1709 and 1 laptop running win7. Laptop will see laptop, but nothing else. Sometimes 1 desktop will see all 3 and the other will not see any and vice versa. I even did a clean install on mine and still does it.
      My ComputerSystem Spec


  4. Posts : 2,253
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       25 Nov 2017 #4

    For Home Networking, It is best to assign a static IP address for each device and this is done in the router, so each time you turn on a device, the exact same IP will be assigned to it. This will avoid the problem with DNS cache out of sync between the device(s) and the router & conflict IP assignment.

    For example, let say you have 3 PC's: PC1, PC2 and PC3. When you turn on the PC's:
    1. 192.168.1.2 is assigned to PC1
    2. 192.168.1.3 is assigned to PC2
    3. 192.168.1.4 is assigned to PC3

    Now, shutdown P2 and PC3 then turn PC3 back on first, The router DHCP might assign 192.168.1.3 to PC3 and your PC3 DNS cache still have 192.168.1.4 assigned to it. So the DNS cache in your PC3 is out of sync, you'd need to flush & renew the DNS cache in your PC3 to reflect the change using: ipconfig /flushdns, ipconfig /renew

    With static IP assignment (Fixed IP) you would not have this problem no matter which PC you turn on first because the IP is bound to the network adapter MAC ID and always be the same. Here's a screen shot of my Home Network and I have about ~20 devices: Smart TV's, android, Iphone, PC's etc.... and never have any problem.

    Click image for larger version. 

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      My ComputerSystem Spec


  5. Posts : 60
    Win 10 64 Bit
       26 Nov 2017 #5

    I have static IP's for all 3 of our computers, but is done thru the OS, not the router. Does that make a difference?
      My ComputerSystem Spec


  6. Posts : 2,323
    Windows 10 Home x64 (Laptop), Windows 10 Pro x64 (Desktop)
       26 Nov 2017 #6

    I just had a similar problem but the fixed IP addresses didn't work for me. All worked fine as soon as I manually set enable NetBIOS in the TCP/IPv4 options for the network adapter on each PC. Also, check you are on a private network, using the same Workgroup name and that each PC is discoverable and file & printer sharing is on for all options under Advanced Sharing Settings. You need to give access to Everyone under both the Sharing and Security tabs under the file/folder properties.
      My ComputersSystem Spec


  7. Posts : 60
    Win 10 64 Bit
       26 Nov 2017 #7

    Steve C said: View Post
    I just had a similar problem but the fixed IP addresses didn't work for me. All worked fine as soon as I manually set enable NetBIOS in the TCP/IPv4 options for the network adapter on each PC. Also, check you are on a private network, using the same Workgroup name and that each PC is discoverable and file & printer sharing is on for all options under Advanced Sharing Settings. You need to give access to Everyone under both the Sharing and Security tabs under the file/folder properties.
    Been doing that for many of years now ever since win95. Tried the NetBIOS trick and it lasted for that day. Turned on computers this morning and back to the same way again. Something about the 1709 update that is resetting itself overnight.
      My ComputerSystem Spec


  8. Posts : 2,253
    Ubuntu14.04x64 MintMate17x64 Win10Prox64
       26 Nov 2017 #8

    Madness10 said: View Post
    I have static IP's for all 3 of our computers, but is done thru the OS, not the router. Does that make a difference?
    The Router DHCP assign the IP to your PC. Not the other way around. In addition, it's easier to manage in the router than separately on each device.
    If your Network configured correctly, you should not have to turn on NETBIOS.
      My ComputerSystem Spec


  9. Posts : 60
    Win 10 64 Bit
       26 Nov 2017 #9

    topgundcp said: View Post
    The Router DHCP assign the IP to your PC. Not the other way around. In addition, it's easier to manage in the router than separately on each device.
    If your Network configured correctly, you should not have to turn on NETBIOS.
    Now, I've been reading that with the 1709 update, that MS broke the ability to network share. I've been doing network share for many of years now and never had an issue until the 1709 update.
      My ComputerSystem Spec


  10. Posts : 60
    Win 10 64 Bit
       26 Nov 2017 #10

    topgundcp said: View Post
    The Router DHCP assign the IP to your PC. Not the other way around. In addition, it's easier to manage in the router than separately on each device.
    If your Network configured correctly, you should not have to turn on NETBIOS.
    I tried it your way with the static being on the router and not the OS and couldn't see anything at all in the network screen. I'm just going to put it back to normal and see if MS puts out a fi for it.
      My ComputerSystem Spec


 
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