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964 posts

Ultimate Geek


#224019 29-Oct-2017 09:15
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I have a home network of two wired computers and a few laptops all connected together by a fritzbox.

 

One of the computers is an HTPC and the other is my main work/downloading computer. 

 

 

 

Just recently I am no longer able to view or access the HTPC from my main desktop.  I can access the main computer from the HTPC but not the other way around. 

 

When i log in to the fritzbox I can see both computers, both computers can access the internet and I can ping the HTPC from my main desktop.

 

I am running KODI on the HTPC and I can see the KODI media server.

 

  • Both computers are running windows 10 both are discoverable. 
  • I have tried restarting both devices as well as the fritzboxes. 
  • They are both on the same microsoft account. 
  • They are running windows defender. 
  • I have run network troubleshooter on both and no problems detected.
  • they both have a wired connection directly into the fritzbox

 

 

The only change to the network was I have added a grandstream AP and disabled the fritzboxes wireless.  However the issue came about around 2 days after this AP was added.

 

Does anyone have any ideas?


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527 posts

Ultimate Geek


  #1892070 29-Oct-2017 09:27
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Try running the homegroup shared files troubleshooter on both. Are both the networks set to private or public?




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Ultimate Geek


  #1892107 29-Oct-2017 12:29
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Both are set to private

 

Okay so I have been able to add both computers to the same homegroup. but I still can't see the HTPC in the network tab on file explorer.  

 

 


 
 
 
 




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Ultimate Geek


  #1895335 4-Nov-2017 20:47
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Anyone with any ideas?  Been overseas for work for a week and was hoping it would fix itself.  It hasn't.


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  #1895411 5-Nov-2017 08:39
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Sounds a bit odd. I take it from your original post that both the HTPC and the desktop are running wireless?

 

Is the HTPC set up with static IP and is it on the same subnet as that being dished out by the AP?

 

Is your pinging IP based (ie 'ping 192.168.1.26') local url based (ie 'ping \\htpc') or both?

 

I'm wondering if it may be a corrupted credential. Perhaps give consideration to deleting the HTPC from Credential Manager on the desktop and re-add it manually. It's persistence should be flagged as enterprise, meaning it's always there.




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Ultimate Geek


  #1895432 5-Nov-2017 10:31
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Both computers are wired.

 

When pinging I can ping both using IP and computer name.  I just can't see the computer in the network window of explorer.

 

 

 

 

 

 

All the devices can access the internet and the HTPC can access the desktop computer through the network tab just not the other way around.

 

I will have a look at the Credential Manager 

 

 

 

 

 

 


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  #1895450 5-Nov-2017 11:54
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OK. Are the computers actually on different LAN's to each other is this just a quirk of your routers naming conventions? (ie, xbmc is plugged into LAN port 2, Grandstream AP into LAN port 3, desktop into LAN port 4)

 

Edit: text added for clarity


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  #1895451 5-Nov-2017 12:02
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Also, I've made the grand assumption you've done all the usual IP stuff such as checking the addressing is actually what is being reported, all on the same subnet, ensured NetBIOS is turned on, disabled IPv6, flushed the DNS cache...


 
 
 
 




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Ultimate Geek


  #1895453 5-Nov-2017 12:18
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Dratsab:

 

OK. Are the computers actually on different LAN's to each other is this just a quirk of your routers naming conventions? (ie, xbmc is plugged into LAN port 2, Grandstream AP into LAN port 3, desktop into LAN port 4)

 

Edit: text added for clarity

 

 

XBMC-PC is plugged in to port 2, grand stream into port 3 (and the wireless are off that) and the desktop is plugged into port 4

 

Just a standard fritzbox 7390 




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Ultimate Geek


  #1895456 5-Nov-2017 12:31
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Dratsab:

 

Also, I've made the grand assumption you've done all the usual IP stuff such as checking the addressing is actually what is being reported, all on the same subnet, ensured NetBIOS is turned on, disabled IPv6, flushed the DNS cache...

 

 

 

 

Not sure what most of the above means but.

 

  • I can ping between the devices using the ip.  When I cmd ipconfig it shows the same address as reported in the fritzbox.
  • both devices are on subnet 255.255.255.0
  • Haven't turned netBIOS off and it was working 3 weeks ago.
  • How and why would I turn IPv6 off?  ipconfig has both computers with and IPv6 address, temp address and link-local address
  • How and why would I flush the DNS cache, isn't that more for web browsing and that works fine

Cheers

 

 

 

 


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  #1895457 5-Nov-2017 12:34
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what do you need to see it for?  to access files etc?  if \\name doesn't work try \\ip.address




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Ultimate Geek


  #1895460 5-Nov-2017 12:41
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I typical download files on the desktop and sort and store on the HTPC.

 

Okay so \\192.168.178.72 allows me to access the files, but why, when I go to the network tab, the computer isn't showing?

 

 


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  #1895468 5-Nov-2017 13:15
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Mine stopped doing that a month or so ago. i hadnt touched anything, so i assume it was related to a windows update.

 

i just have a shortcut setup for the other computer so i can open it and view its shares.


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  #1895470 5-Nov-2017 13:17
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blackjack17:

 

Dratsab: Also, I've made the grand assumption you've done all the usual IP stuff such as checking the addressing is actually what is being reported, all on the same subnet, ensured NetBIOS is turned on, disabled IPv6, flushed the DNS cache...

 

Not sure what most of the above means but.

 

  • I can ping between the devices using the ip.  When I cmd ipconfig it shows the same address as reported in the fritzbox.
  • both devices are on subnet 255.255.255.0
  • Haven't turned netBIOS off and it was working 3 weeks ago.
  • How and why would I turn IPv6 off?  ipconfig has both computers with and IPv6 address, temp address and link-local address
  • How and why would I flush the DNS cache, isn't that more for web browsing and that works fine

Cheers

 

NetBIOS is essentially what allows your computers to see each other over the network. Go to your network connection properties to see it and ensure the box is checked. I'm picking it will be.

 

Your router is showing IPv4 addresses being dished out, I've struck problems in the past with having IPv6 switched on in tandem with IPv4. Give switching IPv6 off a go. Again, network connection properties, uncheck the IPv6 box.

 

Your computers have their own DNS cache so they can communicate quickly with each other across your network*. Sometime records can go 'bad' and need to be cleared so that things work properly again. Open a command window as an administrator and type (without the quotes) "ipconfig /flushdns". If it works properly you will be shown a success message.

 

Edit: *and other machines on the internet as you rightly point out. Flushing the cache could potentially clear out all sorts of crap. You can use "ipconfig /displaydns" to see what's in there.




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Ultimate Geek


  #1895471 5-Nov-2017 13:21
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Jase2985:

 

Mine stopped doing that a month or so ago. i hadnt touched anything, so i assume it was related to a windows update.

 

i just have a shortcut setup for the other computer so i can open it and view its shares.

 

 

Mine would have been about the same time.

 

Will have to check updates


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  #1895473 5-Nov-2017 13:24
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dont hold your breath

 

previous issues have taken months and months to fix


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