Having Windows & Linux Networking problems

[Alex Fraser]

I read in the last couple of weeks that one of the updates to Windoze 10 
disabled all local networking.  There were a number of

hits on that subject when I did searches.  IIRC one of the links had 
info that it looks like you can set up the net as the setup area is 
still there, but the actual networking no longer works. The link I found 
IIRC had an angry tone.  I think I remember one of those links to MS 
where they explain the vulnerability which forced the shutoff of the 
home group feature.  Wait a minute, maybe I remember that you could 
still  map a drive, though to tell the truth I gave up after 4 hours or 
so.  I'm back to a sneaker net.

On 2/23/2019 5:19 PM, Terry N4TLF wrote:
> Ok, guys, I admit that I need help with this.  Sorry that this is long...
>
> I am having Windows networking problems that have developed over 
> time.  The N4TLF shack has several (at least ten) Windows and Linux 
> computers, and one Macbook Pro.  These used to talk to each other via 
> either wired gig-e (with D-Link switches), or wifi, but problems have 
> developed.  At this point I am really confused. Some Win10 boxes see 
> only three other computers, some four, and two see all of them.
>
> I wanted to add a new Octoprint/OctoPi server to my My new 3D 
> printer.  I have used Octoprint before with Windows 10, but am now 
> having no luck.  The goal was not to see the octoprint server using a 
> browser, but to have a certain folder (watched) on the octoprint 
> server show up in Windows Network, so I can drag and drop gcode files 
> to that directory to automatically start a print.
>
> I downloaded the latest Octoprint image, and installed it on a new 
> Raspberry Pi 3B.  First problem was that "octopi.local" no longer 
> works.  Fixed that. Next, the newer Octoprint images have samba turned 
> off.  (Why do Linux people insist on screwing up working stuff???)  
> Fixed that.  I can now see and connect to the Octoprint server under 
> browsers, and ssh via Putty.
>
> Now, the Octoprint server does not show up on most Win10 computer 
> under networking.   The Octoprint server IS showing up on an old 
> laptop running Linux and the Macbook Pro as network devices.  Many of 
> the Windows boxes also show up on both the Linux laptop and Macbook.
>
> What's even worse is that many of the Windows 10 boxes do NOT show up 
> on other Windows 10 boxes.  I actually have two Win10 laptops that see 
> ALL other Win10 machines AND the Octoprint server. Unfortunately, they 
> are not the one computer that I need to see the Octoprint server.  
> I've updated ALL Win10 machines with the latest updates as of yesterday.
>
> Of the several computers, I have two Surface Pro 3 computers that I 
> have verified as having the same Win10 updates, same Network sharing 
> and advanced network sharing options, same lack of McAfee, same 
> firewall settings (OFF). One can see all nine Win10 boxes and the 
> Octoprint server.  The other only sees four Win10 boxes, and NOT the 
> Octoprint server.  Both of these are downstairs right now, both 
> connected to the same wifi router, sitting side by side. Other than 
> different apps, I haven't found any differences between these two SP3s.
>
> I saw that Microsoft totally screwed up Windows Networking with the 
> April 2018 (1803) update.  I've seen and tried a few "fixes" for this, 
> including changing some system services to load automatically.  ALL my 
> Win10 boxes have that specific fix, no difference detected.
>
> Anybody have any ideas?  I MUST be missing something easy, but I 
> cannot figure out what.
>
> TIA & 73, Terry, N4TLF
>
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