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Filesharing no longer working

Discussion in 'Windows 7' started by provlima, Nov 16, 2011.

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  1. provlima

    provlima Thread Starter

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    I have a wireless network setup comprising of a Windows 7 desktop and a Vista laptop

    Everything worked fine but I suddenly have found that my computer sharing network setup is no longer working.



    When I try to access my Desktop PC from my laptop the Desktop Computer PC icon shows,but when I click on it I get a message
    “Windows cannot access Desktop Windows has sent the request to the DNS server and that name was unknown"

    When I try to access the laptop from my DesktopÂ’s Windows7 (control panel>network sharing center) the Laptop icon no longer shows as it did previously.


    Any suggestions on what is wrong and how to fix the problem greatly appreciated!
     
  2. johnebadbak

    johnebadbak

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  3. TerryNet

    TerryNet Moderator

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    For both PCs please show ...

    Start, Run, CMD, OK to open a command prompt:
    (For Vista or 7 type CMD in the Search box after Start)

    Type the following commands:

    nbtstat -n

    IPCONFIG /ALL

    [Note that there is no space between the slash and ALL.]

    Right click in the command window and choose Select All, then hit Enter.
    Paste the results in a message here.

    If necessary use a text file and removable media to copy the results to a computer with internet access.
     
  4. provlima

    provlima Thread Starter

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    Terry..thank you for your help ...here are the results from the laptop and the desktop in the file sharing homegroup

    LAPTOP RESULTS
    Microsoft Windows [Version 6.0.6002]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.
    C:\Users\Jim>nbtstat -n
    Local Area Connection:
    Node IpAddress: [0.0.0.0] Scope Id: []
    No names in cache
    Bluetooth Network Connection:
    Node IpAddress: [0.0.0.0] Scope Id: []
    No names in cache
    Wireless Network Connection:
    Node IpAddress: [192.168.1.132] Scope Id: []
    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    LAPTOP <00> UNIQUE Registered
    WORKGROUP <00> GROUP Registered
    LAPTOP <20> UNIQUE Registered
    WORKGROUP <1E> GROUP Registered
    WORKGROUP <1D> UNIQUE Registered
    ..__MSBROWSE__.<01> GROUP Registered

    C:\Users\Jim>IPCONFIG/ALL

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : LAPTOP
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Mixed
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : hsd1.md.comcast.net.

    Ethernet adapter Bluetooth Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
    Physical Address. . . . . . . . . : 00-1C-26-F4-C7-31
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : Intel(R) Wireless WiFi Link 4965AGN
    Physical Address. . . . . . . . . : 00-13-E8-8D-E6-AB
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::9999:c6f9:d177:1234%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.132(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Thursday, November 17, 2011 7:14:50 AM
    Lease Expires . . . . . . . . . . : Friday, November 18, 2011 7:14:50 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 167777256
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-0E-5D-2E-99-00-1C-23-91-18-E8

    DNS Servers . . . . . . . . . . . : 68.87.73.246
    68.87.71.230
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : Broadcom 440x 10/100 Integrated Controlle
    r
    Physical Address. . . . . . . . . : 00-1C-23-A9-DF-59
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 6:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:1cf2:5d4:bbde:cc8c(Prefe
    rred)
    Link-local IPv6 Address . . . . . : fe80::1cf2:5d4:bbde:cc8c%8(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 7:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{884E2065-77E8-4242-9EE6-2FFEA1D38
    FEB}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 10:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : isatap.hsd1.md.comcast.net.
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\Jim>

    DESKTOP RESULTS
    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.
    C:\Users\Jim>nbtstat -n
    Wireless Network Connection:
    Node IpAddress: [192.168.1.134] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    WORKGROUP <00> GROUP Registered
    DESKTOP <00> UNIQUE Registered
    DESKTOP <20> UNIQUE Registered
    WORKGROUP <1E> GROUP Registered

    Wireless Network Connection 2:
    Node IpAddress: [0.0.0.0] Scope Id: []

    No names in cache

    C:\Users\Jim>IPCONFIG/ALL

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : DESKTOP
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : hsd1.md.comcast.net.

    Wireless LAN adapter Wireless Network Connection 2:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
    Physical Address. . . . . . . . . : C2-17-FE-8E-DD-9A
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : DW1525 (802.11n) WLAN PCIe Card
    Physical Address. . . . . . . . . : C4-17-FE-8E-DD-9A
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::d9e3:9d10:a46:e387%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.134(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Thursday, November 17, 2011 6:55:36 AM
    Lease Expires . . . . . . . . . . : Friday, November 18, 2011 7:34:31 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 197400574
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-13-3A-CF-A1-A4-BA-DB-F9-77-08

    DNS Servers . . . . . . . . . . . : 68.87.73.246
    68.87.71.230
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter isatap.hsd1.md.comcast.net.:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : hsd1.md.comcast.net.
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Teredo Tunneling Pseudo-Interface:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:2496:3823:bbde:cc8c(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::2496:3823:bbde:cc8c%15(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 33:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft 6to4 Adapter
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter isatap.{8B585988-239E-4908-87E4-2BD730081AA8}:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\Jim>
     
  5. TerryNet

    TerryNet Moderator

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    That all looks good, which is bad for trouble shooting 'cause it gives no clues (that I see).

    Doubt the following will help, but won't hurt. On both machines in a Command Prompt do:

    ipconfig /flushdns


    Since file sharing was working and suddenly stopped a suspect is a corrupted non-Windows firewall or security suite on one or both machines. What one(s) do, or did, you have on each?
     
  6. provlima

    provlima Thread Starter

    Joined:
    Dec 4, 2008
    Messages:
    16
    I can now access my Desktop from my Vista laptop, but cannot access my laptop from my W7 desktop

    When I try to acess my Vista laptop from my W7 desktop (control panel>network sharing center)
    the network sharing center shows Desktop Network name and Internet, but no Laptop

    I am using Commodo Firewall on my Laptop and Windows Firewall on my Desktop
     
  7. TerryNet

    TerryNet Moderator

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    Terry
    Take two aspirin and call me in an hour. :D

    No, I'm not really giving medical advice. The flushdns wipes out the names in memory and the way the Computer Browser service works it can take up to 15 minutes, even much longer in some cases, for all the computers to get updated. The Vista is the Master Browser, so it makes sense that it will know about other computer names before any other computers on the network are updated.

    So, seriously, is it working now or still the same issue as your last post?
     
  8. provlima

    provlima Thread Starter

    Joined:
    Dec 4, 2008
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    16
    Thanks for your help.
    I did the flushdns on both PCs and still cannot access my laptop from my Desktop.
    Accessing my Desktop from my Laptop works fine.
    When I tried the file sharing troubleshooter on my Desktop it reported the Laptop would not accept a connection
    Thanks again
     
  9. TerryNet

    TerryNet Moderator

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  10. provlima

    provlima Thread Starter

    Joined:
    Dec 4, 2008
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    Thank you very much for your kind help.
    Sharing is now working!!
     
  11. TerryNet

    TerryNet Moderator

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    You're welcome. :) You can probably reinstall Comodo now if desired. Sometimes they get corrupted and need to be "nuked" to clean them up.

    You can mark this solved using the [​IMG] button at the upper left of the page.
     
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