Home network - not all computers can see each other

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  1. Posts : 1,471
    Win10 Home x64 - 1809
       #11

    Just an FYI ...
    You may want to uncheck SMB 1.0/CIFS Automatic Removal or at least go to Task Scheduler Libray > Microsoft > Windows > SMB and disable the task it adds for SMBv1 removal.


    • If the SMBv1 client is not used for 15 days in total (excluding the computer being turned off), it automatically uninstalls itself.
    • Automatic removal of SMB1 after 15 days is a one-time operation. If an administrator re-installs SMB1, no further attempts will be made to uninstall it.


    From this link ... https://support.microsoft.com/en-us/...r-version-1709
      My Computers


  2. Posts : 38
    Windows 10 Pro x64
    Thread Starter
       #12

    kado897 said:
    Check that SMB1 is installed and active. Mine had been partially disabled.
    Attachment 168555
    Attachment 168556
    I shall try that. God knows what people with no tech skills at all do when hitting such a problem.! Thanks, will report back.
      My Computer


  3. Posts : 46,508
    Windows 10 Home 64bit 21H1 and insider builds
       #13

    Eagle51 said:
    Just an FYI ...
    You may want to uncheck SMB 1.0/CIFS Automatic Removal or at least go to Task Scheduler Libray > Microsoft > Windows > SMB and disable the task it adds for SMBv1 removal.


    • If the SMBv1 client is not used for 15 days in total (excluding the computer being turned off), it automatically uninstalls itself.
    • Automatic removal of SMB1 after 15 days is a one-time operation. If an administrator re-installs SMB1, no further attempts will be made to uninstall it.


    From this link ... https://support.microsoft.com/en-us/...r-version-1709
    Thanks for that. It's last run time was about when I started having issues. I've disabled them now just in case.
      My Computer


  4. Posts : 15,445
    19043.1237
       #14

    Microsoft has stated that SMB1 is turned off by default because of a vulnerability to Ransomware attacks. Look in Services and set Function Discovery Provider Host and Function Discovery Resource Publication to Automatic-Delayed Start on each machine. This works without turning on SMB1.
      My Computer


  5. Posts : 46,508
    Windows 10 Home 64bit 21H1 and insider builds
       #15

    dmholt57 said:
    Microsoft has stated that SMB1 is turned off by default because of a vulnerability to Ransomware attacks. Look in Services and set Function Discovery Provider Host and Function Discovery Resource Publication to Automatic-Delayed Start on each machine. This works without turning on SMB1.
    I'll give that a try.
      My Computer


  6. Posts : 46,508
    Windows 10 Home 64bit 21H1 and insider builds
       #16

    dmholt57 said:
    Microsoft has stated that SMB1 is turned off by default because of a vulnerability to Ransomware attacks. Look in Services and set Function Discovery Provider Host and Function Discovery Resource Publication to Automatic-Delayed Start on each machine. This works without turning on SMB1.
    Just tried it in a VM and it didn't work for me. VM is VirtualBox Fall Creators Update. I couldn't see the host or a NAS. Fired up SMB1 and they are both back. So I'll stick with SMB1 for the moment.
      My Computer


  7. Posts : 15,445
    19043.1237
       #17

    Not sure how it works in VM, but it worked as suggested by Microsoft for the six pcs I have networked. Hopefully Microsoft will come out with some fixes soon.
      My Computer


  8. Posts : 46,508
    Windows 10 Home 64bit 21H1 and insider builds
       #18

    dmholt57 said:
    Not sure how it works in VM, but it worked as suggested by Microsoft for the six pcs I have networked. Hopefully Microsoft will come out with some fixes soon.
    I'm probably not doing it right. The thing that I really need is access to the NAS.
    It was behaving very strangely when SMB1 was turned off. It didn't show in explorer unless I rebooted the NAS but only for that windows session. I could access the shares by typing the address into explorer and get at the files.
    My file backup program FreeFileSync would work if run manually but not if run on a schedule under my USERID. Really strange behaviour.
      My Computer


  9. Posts : 15,445
    19043.1237
       #19

    I don't think SMB1 is much of a risk running in VM. They are suggesting mapping the network drives, I have done that also and they show up every time. But the networks sometimes don't show and you do a reboot and they show, I have been patient, but I think its time for them to step up and fix the damn thing.
      My Computer


  10. Posts : 46,508
    Windows 10 Home 64bit 21H1 and insider builds
       #20

    dmholt57 said:
    I don't think SMB1 is much of a risk running in VM. They are suggesting mapping the network drives, I have done that also and they show up every time. But the networks sometimes don't show and you do a reboot and they show, I have been patient, but I think its time for them to step up and fix the damn thing.
    I was just testing in a VM. I'm running it on the host also. I have Malwarebytes premium and my backup images are protected by Macrium Image Guardian so I think I'll be OK.
      My Computer


 

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