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Windows 7: Can you "refresh" your LAN?

20 Mar 2010   #1
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 
Can you "refresh" your LAN?

I have a 4 puter LAN through a router, one W7, one Vista, two XP. Often, my W7 computer cannot "see" my XP computer when I turn it on (often from standby). I have to reboot to get the W7 puter to "see" the XP puter. It would be great if there was a way to "refresh" the network discovery process at the click of a mouse. Possible?
Any ideas on what causes this symptom? User error?



My System SpecsSystem Spec
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20 Mar 2010   #2
Jonathan_King

Windows 7 Professional x64
 
 

You may see if Displaying the full network map helps.

Can you "refresh" your LAN?-capture.png

Other than that, have you tried updating your network drivers?


My System SpecsSystem Spec
20 Mar 2010   #3
CommonTater

XP Pro SP3 X86 / Win7 Pro X86
 
 

Quote   Quote: Originally Posted by TVeblen View Post
I have a 4 puter LAN through a router, one W7, one Vista, two XP. Often, my W7 computer cannot "see" my XP computer when I turn it on (often from standby). I have to reboot to get the W7 puter to "see" the XP puter. It would be great if there was a way to "refresh" the network discovery process at the click of a mouse. Possible?

Any ideas on what causes this symptom? User error?
Do you have the Computer Browser and Network Location Awareness services running on all your computers?

If so then just open your network folder and click the "refresh" icon to the right of the address bar.
My System SpecsSystem Spec
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21 Mar 2010   #4
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by CommonTater View Post
Do you have the Computer Browser and Network Location Awareness services running on all your computers?

If so then just open your network folder and click the "refresh" icon to the right of the address bar.
And there it is! Thanks for pointing that out to me - I was being quite dense.

And I do need to check the Computer Browser services on the XP machines. I may have disabled them a while back when I was trying to eliminated the Master Browser war from the Event Viewer and never switched them back. That would explain some things.

Thanks for the brain poke!
My System SpecsSystem Spec
21 Mar 2010   #5
CommonTater

XP Pro SP3 X86 / Win7 Pro X86
 
 

Quote   Quote: Originally Posted by TVeblen View Post
And there it is! Thanks for pointing that out to me -
My pleasure.
My System SpecsSystem Spec
25 Mar 2010   #6
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Arrgghh. I spoke too soon! It took this long for the situation to come up again and the "Refresh Network and Sharing Center" button did not solve the behavior.

Neither did "Show Full Map" - I get a "no other computers found" message.

I am running the most current LAN driver for the "Realtek PCIe GBE Family Controller" - 7.12.1218.2009 dated 12/18/2009.

Everything works. This seems to be a sort of GUI issue (the computer is there, I just can't see it).
This is exactly what I am doing: I use an old P4-XP machine as a DVR. I transfer the videos to the i7-W7 machine to use the faster hard drive and more space for playback.
The W7 is on when I start and then I hit a key to bring the XP machine out of standby, then go to Windows Explorer to cut and paste the files. On the W7 machine In Explorer, under Network, only the W7 computer is showing. If I switch to the XP machine, go to and expand the Network, only the XP machine is showing. But the XP machine has a network shortcut to the VIDEOS folder on W7. I can move the files from XP to W7 using the shortcut even though W7 does not show. Once a file is being transfered, if I switch back to the W7 machine, the XP machine is now showing under Network in WE.

The Computer Browser service and Network Awareness service are started on both computers.

If I reboot either computer they can see each other. It would be cool if I could refresh the Network Discovery process without rebooting. Possible? or is that a suggestion for Windows 8?
My System SpecsSystem Spec
25 Mar 2010   #7
CommonTater

XP Pro SP3 X86 / Win7 Pro X86
 
 

Quote   Quote: Originally Posted by TVeblen View Post
If I reboot either computer they can see each other. It would be cool if I could refresh the Network Discovery process without rebooting. Possible? or is that a suggestion for Windows 8?
Does the XP machine spend a lot of time in standby?
If so your router might ben removing it from the DNS list.

If you type it's name into the address bar of the network folder will it pick up the maching and show you it's shares?
That means the system is there, it's just not being indexed in network enumeration.

Make sure you have "Register with DNS" checked in all network adaptors.
The Network folder won't show any machine that's not known to your Router's DNS.

It sucks but sometimes it can take up to 10 minutes for a machine to show up in the Network folder... Don't know why... it just does.

Finally... is your win7 machine using HomeGroup or Workgroup sharing... HomeGroups don't work wirth soggy dirt with mixed OSs on the network. I have XP and Ubuntu machines on my LAN and couldn't connect to any of them until I switched back to conventional XP style Workgroup sharing and disabled IPV6 in my network adaptors.
My System SpecsSystem Spec
25 Mar 2010   #8
Packet

Windows 7 Ultimate x64
 
 

this is a dumb question - but doesnt 'register with dns' require a dns server that accepts dynamic client updates?

else it'll just throw registration failure attempts in the event viewer.

of course, for a small home network, one can just 'cheat' by having static IP's and stuffing the host ip mapping in the hosts file.

ps: guessing the network folder uses browser adverts and broadcasts (think 15 mins used to be the old number for cache updates and refreshes)
My System SpecsSystem Spec
25 Mar 2010   #9
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by CommonTater View Post
Does the XP machine spend a lot of time in standby?
If so your router might ben removing it from the DNS list.

If you type it's name into the address bar of the network folder will it pick up the maching and show you it's shares?
That means the system is there, it's just not being indexed in network enumeration.

Make sure you have "Register with DNS" checked in all network adaptors.
The Network folder won't show any machine that's not known to your Router's DNS.

It sucks but sometimes it can take up to 10 minutes for a machine to show up in the Network folder... Don't know why... it just does.

Finally... is your win7 machine using HomeGroup or Workgroup sharing... HomeGroups don't work wirth soggy dirt with mixed OSs on the network. I have XP and Ubuntu machines on my LAN and couldn't connect to any of them until I switched back to conventional XP style Workgroup sharing and disabled IPV6 in my network adaptors.
Yes- stays in standby most of the time.
I'll try the address bar. I'm betting it will work fine.
I'll time it!
I'm using workgroups and sharing is fine.
Thanks for the info!
My System SpecsSystem Spec
25 Mar 2010   #10
TVeblen

Microsoft Community Contributor Award Recipient

Windows 7 64 Bit Home Premium SP1
 
 

Quote   Quote: Originally Posted by Packet View Post
this is a dumb question - but doesnt 'register with dns' require a dns server that accepts dynamic client updates?

else it'll just throw registration failure attempts in the event viewer.

of course, for a small home network, one can just 'cheat' by having static IP's and stuffing the host ip mapping in the hosts file.

ps: guessing the network folder uses browser adverts and broadcasts (think 15 mins used to be the old number for cache updates and refreshes)
I've toyed with the idea of static addresses. Now it's just a matter of deciding if the annoyance is worth the trouble.

So if I wait 15m the network may refresh by itself?
Thanks
My System SpecsSystem Spec
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 Can you "refresh" your LAN?




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