Network not accessible, network address invalid

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  1. Posts : 162
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
       #1

    Network not accessible, network address invalid


    I have a total of 4 computers in my house:

    Computer A: Desktop computer running windows vista, wired connection to router, HOME workgroup. Can access all computers on the network.

    Computer B: Desktop computer running windows xp, wired connection to router, HOME workgroup. Can access all computers on the network.

    Computer C: Laptop computer running windows 7, wireless connection to router, HOME workgroup. Can access all computers on the network.

    Computer D: Laptop computer running windows 7, wireless connection to router, HOME workgroup. Can ONLY access computer B and C....Computer A shows up but I get an error message while trying to access it....\\pca-pc is not accessible. You might not have permission to use this network resource. contact the administrator of this server to find out if you have access permissions. The network address is invalid.

    From Command Prompt Computers A and D

    Computer A:

    Microsoft Windows [Version 6.0.6002]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\Christina>nbtstat -n

    Local Area Connection:
    Node IpAddress: [192.168.1.21] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    CHRISTINA-PC <00> UNIQUE Registered
    HOME <00> GROUP Registered
    CHRISTINA-PC <20> UNIQUE Registered
    HOME <1E> GROUP Registered
    HOME <1D> UNIQUE Registered
    ..__MSBROWSE__.<01> GROUP Registered

    C:\Users\Christina>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Christina-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : westell.com

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . : westell.com
    Description . . . . . . . . . . . : Realtek RTL8168C(P)/8111C(P) Family PCI-E
    GBE NIC
    Physical Address. . . . . . . . . : 00-1F-C6-10-9A-2C
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::3458:c6bc:7f43:745b%10(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.21(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Wednesday, November 23, 2011 7:41:06 AM
    Lease Expires . . . . . . . . . . : Thursday, November 24, 2011 7:41:03 AM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 251666374
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-E8-8A-F2-00-1F-C6-10-9A-2C

    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    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. . . . . . . . . . . : 2001:0:4137:9e76:3064:1699:cd97:f1f6(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::3064:1699:cd97:f1f6%11(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 7:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : westell.com
    Description . . . . . . . . . . . : isatap.westell.com
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\Christina>ping Summer-HP

    Pinging Summer-HP.westell.com [192.168.1.30] with 32 bytes of data:
    Reply from 192.168.1.30: bytes=32 time=2ms TTL=128
    Reply from 192.168.1.30: bytes=32 time=1ms TTL=128
    Reply from 192.168.1.30: bytes=32 time=1ms TTL=128
    Reply from 192.168.1.30: bytes=32 time<1ms TTL=128

    Ping statistics for 192.168.1.30:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 2ms, Average = 1ms

    C:\Users\Christina>

    Computer D:

    Microsoft Windows [Version 6.1.7601]
    Copyright (c) 2009 Microsoft Corporation. All rights reserved.

    C:\Users\Summer>nbtstat -n

    Local Area Connection:
    Node IpAddress: [0.0.0.0] Scope Id: []

    No names in cache

    Local Area Connection 2:
    Node IpAddress: [0.0.0.0] Scope Id: []

    No names in cache

    Wireless Network Connection:
    Node IpAddress: [192.168.1.30] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    SUMMER-HP <00> UNIQUE Registered
    HOME <00> GROUP Registered
    SUMMER-HP <20> UNIQUE Registered
    HOME <1E> GROUP Registered

    Wireless Network Connection 3:
    Node IpAddress: [0.0.0.0] Scope Id: []

    No names in cache

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

    No names in cache

    C:\Users\Summer>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : Summer-HP
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : westell.com

    Ethernet adapter Local Area Connection 2:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) Centrino(R) WiMAX 6250
    Physical Address. . . . . . . . . : 64-D4-DA-1A-C7-15
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection 3:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter #
    2
    Physical Address. . . . . . . . . : 00-23-15-A0-6C-35
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection 2:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
    Physical Address. . . . . . . . . : 00-23-15-A0-6C-35
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Wireless LAN adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : westell.com
    Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6250 AGN
    Physical Address. . . . . . . . . : 00-23-15-A0-6C-34
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::ac3f:c208:4cf8:142%12(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.30(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Wednesday, November 23, 2011 7:05:44 PM
    Lease Expires . . . . . . . . . . : Thursday, November 24, 2011 7:05:44 PM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 318776085
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-56-F8-D5-78-AC-C0-4D-D4-7C

    DNS Servers . . . . . . . . . . . : 192.168.1.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter isatap.{F7D3EE97-318F-4659-A19B-9494B885068C}:

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

    Tunnel adapter Local Area Connection* 15:

    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.{2BB6B818-FEFF-450C-9A64-D869BE218B96}:

    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

    Tunnel adapter isatap.westell.com:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . : westell.com
    Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
    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. . . . . . . . . . . : 2001:0:4137:9e76:20d8:2717:cd97:f1f6(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::20d8:2717:cd97:f1f6%16(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    C:\Users\Summer>ping Christina-PC

    Pinging Christina-PC.westell.com [192.168.1.21] with 32 bytes of data:
    Reply from 192.168.1.21: bytes=32 time=1ms TTL=128
    Reply from 192.168.1.21: bytes=32 time=1ms TTL=128
    Reply from 192.168.1.21: bytes=32 time=1ms TTL=128
    Reply from 192.168.1.21: bytes=32 time=1ms TTL=128

    Ping statistics for 192.168.1.21:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 1ms, Maximum = 1ms, Average = 1ms

    C:\Users\Summer>

    Other Thing I Tried

    1. If I got to start run and type in 192.168.1.21 it then pop ups username and password box at which I am able to access the folder and files on computer A but then why doesn't it work the other way?

    2. I did a complete system restore on computer D bringing it back to out-of-the-box state. It then worked correctly! Everything was fine. I completely updated the computer via windows update...still everything was fix and working correctly. Then I hadn't used the laptop for 3-4 days and the next time I turned it on...not working again. I changed nothing no new update just all of the sudden not working again.

    3. Turned off router, reset router, refreshed router....nothing worked there.

    Added Thought

    I looked under my windows 7 credentials, would this have anything to do with it?

    I really hope to get this fixed, when I initially bought the laptop everything worked fine never had a problem, I did a system restore on computer A and D a short while ago and it seemed that's when I started having problems, I did another system restore on computer A and D thinking it would fix it but it didn't. All computers in my home are fully updated via Windows Update. If you need anymore information please ask. Thanks for reading!
      My Computer


  2. Posts : 1,939
    Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
       #2

    Welcome to the Sevenforums SummerBear!

    First off.... I know you were trying to cover all bases, but waaay TMI (too much info) here. Both A & D are in the same IP address subnet (192.168.1.xxx) <-- good. You can ping, so you have network connectivity!

    Since you said you recently restored a few of these PC's, did you go back and re-share the folder(s)?

    Also, what usernames do you use on each PC?
      My Computer


  3. Posts : 162
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
    Thread Starter
       #3

    Better to much info than not enough...

    Yes I have re-shared all the folders and folders are accessible on the other 2 computers no problem.

    As for the user accounts.

    Computer A is Christina
    Computer B is Nermal
    Computer C is Steve
    and Computer D is Summer

    Everything worked fine before I was able to access Christina (computer A) from any computer using the username and password for Christina. Currently all computers except Computer D is able to access Christina by using Christina's username and password. I never had to have extra user accounts.

    Furthermore I noticed on my windows 7 machines that in the credentials is has my old computer name (Summer-Lappy instead of the new Summer-HP) from Computer D that since it has been restored. I did however changed the computer name back to Summer-Lappy to see if it would fix the networking issue and it didn't. I also tried deleting that old credential and making a new one but it keeps restoring the old one on login and doesn't retain the new one.
      My Computer


  4. Posts : 1,939
    Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
       #4

    Usually, you need the same user account on each PC... so if PC D (Summer) wants to access PC A, a user must be created on PC A named Summer. That's probably what got lost during the restore. Try creating that account on the other PC and report back!
      My Computer


  5. Posts : 162
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
    Thread Starter
       #5

    Never had to do that before...Even after doing a second restore on Computer D it was working just fine. I did all the windows updates and it still was working without having to have a Summer account on Computer A. After not using Computer D for a couple days I tried to access the files and it wasn't working again.

    Also if this is so true how come computers B and C can access computer A just fine and they don't have user accounts on computer A?

    I never had to have a user account Summer on Computer A and I feel it's just a work around I want it to work properly like before. I don't want extra accounts on my computer.
      My Computer


  6. Posts : 1,939
    Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
       #6

    Summerbear5 said:
    I have a total of 4 computers in my house:

    Computer A: Desktop computer running windows vista, wired connection to router, HOME workgroup. Can access all computers on the network.

    Computer B: Desktop computer running windows xp, wired connection to router, HOME workgroup. Can access all computers on the network.

    Computer C: Laptop computer running windows 7, wireless connection to router, HOME workgroup. Can access all computers on the network.

    Computer D: Laptop computer running windows 7, wireless connection to router, HOME workgroup. Can ONLY access computer B and C....Computer A shows up but I get an error message while trying to access it....\\pca-pc is not accessible. You might not have permission to use this network resource. contact the administrator of this server to find out if you have access permissions. The network address is invalid...

    ...
    Other Thing I Tried

    1. If I got to start run and type in 192.168.1.21 it then pop ups username and password box at which I am able to access the folder and files on computer A but then why doesn't it work the other way?

    2. I did a complete system restore on computer D bringing it back to out-of-the-box state. It then worked correctly! Everything was fine. I completely updated the computer via windows update...still everything was fix and working correctly. Then I hadn't used the laptop for 3-4 days and the next time I turned it on...not working again. I changed nothing no new update just all of the sudden not working again.

    3. Turned off router, reset router, refreshed router....nothing worked there.

    Added Thought

    I looked under my windows 7 credentials, would this have anything to do with it?

    I really hope to get this fixed, when I initially bought the laptop everything worked fine never had a problem, I did a system restore on computer A and D a short while ago and it seemed that's when I started having problems, I did another system restore on computer A and D thinking it would fix it but it didn't. All computers in my home are fully updated via Windows Update. If you need anymore information please ask. Thanks for reading!
    Have you turned off any and all sw based firewalls on D? Many new AV apps now include FWs so check them too!

    Double check all File Sharing Settings too.
      My Computer


  7. Posts : 162
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
    Thread Starter
       #7

    sw based firewalls???

    I turned off windows firewall. I'm using AVG anti-virus (on all computers) which I also turned off.

    I've checked over File Sharing Settings multiple times...everything is set right as it should be considering the other computers have no problems.
      My Computer


  8. Posts : 1,939
    Windows 7 Ultimate 64 bit Steve Ballmer Signature Edition
       #8

    Try this.... whichever folder is shared on A....UNSHARE. Then reboot and reshare, then try to connect from D. If you get a un/pw prompt enter the name but make sure to tick Remember Credentials. That may fix it...

    Also, what un/pw do you enter when you got this prompt?
      My Computer


  9. Posts : 10,796
    Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
       #9

    from computer d: \\ip-address-pcA
    what exactly happens?
    from computer d: \\ip-address-pcD
    what exactly happens?
      My Computer


  10. Posts : 162
    Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
    Thread Starter
       #10

    Kaktussoft I'm unsure exactly what your asking. Are you suggesting start>run //ipaddress of computer A from computer D? I've already posted what this does on the initial post of my thread.
      My Computer


 
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