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Solved: Unable to view network computers

Discussion in 'Networking' started by newbmaster, Mar 17, 2010.

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  1. newbmaster

    newbmaster Thread Starter

    Joined:
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    I have done a search already on this topic but none of the suggestions in those threads helped with my issue.

    First off, I have a small office network going on at my firm. We have 3 workstations all with the same specs running Windows XP Professional Service Pack 3.

    We are using a D-Link DIR-655 router. Two machines connect via wireless using 802.11n usb adapters and the third machine connects via CAT5. We have a NAS drive and a Dell Multifunction printer connected to the network as well.

    I am able to set up file and printer sharing on the network as long as I map each device using \\pcname\sharename. I am able to ping each device from all of the computers. I have disabled all firewalls on all of the machines, using windows firewall and McAfee.

    My issue is I am unable to view any of the workgroup computers. I get an access error stating that my workgroup is not accessible. etc.

    I am trying to implement Acronis to do back ups of each of the workstations using my machine as the administrative machine.

    I can use our Anyplace Control software to access all the computers, but unable to access the machines via My Network Places.

    Any help you can provide would be tremendous. Thanks.
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Sounds like a master browser issue. Let's see this from each of three the computers.


    Hold the Windows key and press R, then type CMD then press Enter to open a command prompt:

    In the command prompt window that opens, type type the following commands, one at a time, followed by the Enter key:

    Note that there is a space before the -n or the /ALL, but there is NOT a space after the - or / in the following commands.

    NBTSTAT -n

    IPCONFIG /ALL

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

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
     
  3. TerryNet

    TerryNet Moderator

    Joined:
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    First Name:
    Terry
    Have you enabled file and printer sharing on the machines? If so, probably a firewall issue. McAfee disabled is McAfee doing unknown blockage.
     
  4. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Noel>nbtstat -n

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

    No names in cache

    Wireless Network Connection:
    Node IpAddress: [40.45.1.95] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    NCM_PC <00> UNIQUE Registered
    NCM_PC <20> UNIQUE Registered
    MCLAW <00> GROUP Registered
    MCLAW <1E> GROUP Registered

    C:\Documents and Settings\Noel>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : NCM_PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : MCLAW

    Ethernet adapter Local Area Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Cont
    roller
    Physical Address. . . . . . . . . : 00-22-19-2A-A0-C1

    Ethernet adapter Wireless Network Connection:

    Connection-specific DNS Suffix . : MCLAW
    Description . . . . . . . . . . . : D-Link DWA-160 Xtreme N Dual Band US
    B Adapter(rev.B)
    Physical Address. . . . . . . . . : 00-21-91-81-97-EA
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 40.45.1.95
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 40.45.1.1
    DHCP Server . . . . . . . . . . . : 40.45.1.1
    DNS Servers . . . . . . . . . . . : 40.45.1.1
    Lease Obtained. . . . . . . . . . : Wednesday, March 17, 2010 11:25:53 A
    M
    Lease Expires . . . . . . . . . . : Monday, January 18, 2038 8:14:07 PM

    C:\Documents and Settings\Noel>
     
  5. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Yes, I have it enabled on all 3 machines and McAfee is disabled. I have even tried killing the processes in Task Manager to see if I could get the machines to connect.

    It's just wierd cause I can access the shared folders.
     
  6. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Well, I'd like to see the other two computers information to complete the picture. What make/model of router is that, that's a VERY odd IP address for a router.
     
  7. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Sorry, misunderstood. It's a D-Link DIR-655. The IP address is like that because I changed it from the default 192.168.1.1 that most routers utilize because I like doing that.

    Below is that info for the other 2 machines.

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\MC>nbtstat -n

    Local Area Connection:
    Node IpAddress: [40.45.1.98] Scope Id: []

    NetBIOS Local Name Table

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

    C:\Documents and Settings\MC>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : MCHARLES
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Cont
    roller
    Physical Address. . . . . . . . . : 00-22-19-1C-A2-79
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 40.45.1.98
    Subnet Mask . . . . . . . . . . . : 255.0.0.0
    Default Gateway . . . . . . . . . : 40.45.1.1
    DNS Servers . . . . . . . . . . . : 40.45.1.1

    C:\Documents and Settings\MC>

    -----------------------------------------------------------------------------------------------------------------

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Michael>nbtstat -n

    Wireless Network Connection 2:
    Node IpAddress: [40.45.1.96] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    MMARTINEZ <00> UNIQUE Registered
    MMARTINEZ <20> UNIQUE Registered
    MCLAW <00> GROUP Registered
    MCLAW <1E> GROUP Registered

    C:\Documents and Settings\Michael>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : MMartinez
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : MCLAW

    Ethernet adapter Wireless Network Connection 2:

    Connection-specific DNS Suffix . : MCLAW
    Description . . . . . . . . . . . : Belkin F5D8053 N Wireless USB Adapte
    r
    Physical Address. . . . . . . . . : 00-22-75-3B-7B-75
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 40.45.1.96
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 40.45.1.1
    DHCP Server . . . . . . . . . . . : 40.45.1.1
    DNS Servers . . . . . . . . . . . : 40.45.1.1
    Lease Obtained. . . . . . . . . . : Thursday, March 18, 2010 7:01:45 AM
    Lease Expires . . . . . . . . . . : Monday, January 18, 2038 8:14:07 PM

    C:\Documents and Settings\Michael>
     
  8. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    The MCHARLES computer has been incorrectly configured for this network, it has a 255.0.0.0 subnet that doesn't match the other computers. Is there any reason you aren't using automatic addressing on that one? At the least, you'll have to change it's subnet mask to 255.255.255.0 to match the other machines.
     
  9. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Oops, didn't notice that. That was a slight oversight on my part. It should be like that.

    But besides that, does everything look ok?
     
  10. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Those machines won't connect with each other until you fix the subnet mask.
     
  11. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Opps, I meant it "shouldn't" be like.

    But besides that one machine's subnet mask, does everything look ok? I still can't see the other machines. Like I said before, I can only connect by typing in direct location (i.e. \\mmartinez\shareddocs).
     
  12. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Let's see this for EACH of the machines after you fix the subnet mask.

    Can you ping between the machine by computer name?


    Hold the Windows key and press R, then type CMD then press Enter to open a command prompt:

    In the command prompt window that opens, type type the following commands, one at a time, followed by the Enter key:

    Note that there is a space before the -n or the /ALL, but there is NOT a space after the - or / in the following commands.

    NBTSTAT -n

    IPCONFIG /ALL

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

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
     
  13. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Yes, I can ping each machine by computer name.

    Machine #1

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Noel>ping mcharles

    Pinging mcharles [40.45.1.98] with 32 bytes of data:

    Reply from 40.45.1.98: bytes=32 time<1ms TTL=128
    Reply from 40.45.1.98: bytes=32 time<1ms TTL=128
    Reply from 40.45.1.98: bytes=32 time<1ms TTL=128
    Reply from 40.45.1.98: bytes=32 time<1ms TTL=128

    Ping statistics for 40.45.1.98:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 0ms, Average = 0ms

    C:\Documents and Settings\Noel>ping mmartinez

    Pinging mmartinez [40.45.1.96] with 32 bytes of data:

    Reply from 40.45.1.96: bytes=32 time=2ms TTL=128
    Reply from 40.45.1.96: bytes=32 time<1ms TTL=128
    Reply from 40.45.1.96: bytes=32 time<1ms TTL=128
    Reply from 40.45.1.96: bytes=32 time=1ms TTL=128

    Ping statistics for 40.45.1.96:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 2ms, Average = 0ms

    C:\Documents and Settings\Noel>

    Machine #2

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\MC>nbtstat -n

    Local Area Connection:
    Node IpAddress: [40.45.1.98] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    MCHARLES <00> UNIQUE Registered
    MCHARLES <20> UNIQUE Registered
    MCLAW <00> GROUP Registered
    MCLAW <1E> GROUP Registered

    C:\Documents and Settings\MC>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : MCHARLES
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Cont
    roller
    Physical Address. . . . . . . . . : 00-22-19-1C-A2-79
    Dhcp Enabled. . . . . . . . . . . : No
    IP Address. . . . . . . . . . . . : 40.45.1.98
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 40.45.1.1
    DNS Servers . . . . . . . . . . . : 40.45.1.1

    C:\Documents and Settings\MC>


    Machine #3

    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.

    C:\Documents and Settings\Michael>nbtstat -n

    Wireless Network Connection 2:
    Node IpAddress: [40.45.1.96] Scope Id: []

    NetBIOS Local Name Table

    Name Type Status
    ---------------------------------------------
    MMARTINEZ <00> UNIQUE Registered
    MMARTINEZ <20> UNIQUE Registered
    MCLAW <00> GROUP Registered
    MCLAW <1E> GROUP Registered

    C:\Documents and Settings\Michael>ipconfig /all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : MMartinez
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    DNS Suffix Search List. . . . . . : MCLAW

    Ethernet adapter Wireless Network Connection 2:

    Connection-specific DNS Suffix . : MCLAW
    Description . . . . . . . . . . . : Belkin F5D8053 N Wireless USB Adapte
    r
    Physical Address. . . . . . . . . : 00-22-75-3B-7B-75
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 40.45.1.96
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 40.45.1.1
    DHCP Server . . . . . . . . . . . : 40.45.1.1
    DNS Servers . . . . . . . . . . . : 40.45.1.1
    Lease Obtained. . . . . . . . . . : Friday, March 19, 2010 5:58:01 PM
    Lease Expires . . . . . . . . . . : Monday, January 18, 2038 8:14:07 PM

    C:\Documents and Settings\Michael>
     
  14. TerryNet

    TerryNet Moderator

    Joined:
    Mar 23, 2005
    Messages:
    76,645
    First Name:
    Terry
    I just noticed that the Connection-specific DNS Suffix (which is set in the router) is the same as the Workgroup name. As I get very suspicious of such things (external names that could be confused) please change the router's specification to something else (I suggest null or blank) and see if it makes any difference. You may have to then disconnect each computer and reconnect to make sure they "see" this change. In fact, I'd shut down all computers, unplug router, plug in router, and then boot machines.

    It's unfortunate that you missed showing the nbtstat -n for the 1st machine. For what John is looking we need to see all of them for the same short time period.
     
  15. newbmaster

    newbmaster Thread Starter

    Joined:
    Mar 17, 2010
    Messages:
    28
    Dangit, I can't believe I slipped up again. Could've sworn I did nbtstat thing for Machine #1 again, but I guess I wasn't paying attention to it.

    Otherwise Terry, wiping that DNS Suffix name from the router seems to have done the trick.

    So thank you to Terry and John for helping me see those little mistakes and figuring out what I was doing wrong.

    Although further explanation about that fix, is it just a conflict because the names are identical that would cause me not to see the other computers? Because it was just odd to me that I was able to map to the shared drives but not just see them when checking out My Network Places.
     
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