# Windows – Cannot connect to Windows share via local network IP address, but can by localhost

file-sharingnetworkingsmbwindows 10

I'm stuck a bit in figuring out why can not I access Windows Shared Folder via my local network address even from the very computer that exposes the share.

When I try to see shared folder via \\localhost everything works out, I can see the files.

However, when I try to connect from the very same computer via my local network address (192.168.1.2) it shows the listing of folders but fails to open it.

I can ping my address (192.168.1.2) with no problems. Firewall is turned off. No antivirus. I have turned on both "File and printer sharing" and "network discovery".

Microsoft Windows [Version 10.0.15063]


Here is how my ipconfig looks like, nothing suspicious.

C:\Users\nrj>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : EUGENE-PC
Primary Dns Suffix  . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : <hidden>
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.1.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, August 12, 2017 14:57:30
Lease Expires . . . . . . . . . . : Sunday, August 13, 2017 14:57:30
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 190858699
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1E-9B-1E-0E-00-1F-C6-78-EC-28
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Disabled


Netstat for 445 port:

C:\Users\nrj>netstat -a | findstr /R /C:.*445.*
TCP    0.0.0.0:445            EUGENE-PC:0            LISTENING
TCP    [::]:445               EUGENE-PC:0            LISTENING


What else can I check to figure this out?

UPD. Network adapter properties shows that "File and Printer Sharing" is enabled.

Just to be clear, again, 192.168.1.2 is address of my computer from which I try to access my own file share and it does not work. Here is the routes table.

IPv4 Route Table
===========================================================================
Active Routes:
Network Destination        Netmask          Gateway       Interface  Metric
0.0.0.0          0.0.0.0      192.168.1.1      192.168.1.2     35
192.168.1.2  255.255.255.255         On-link       192.168.1.2    291 <- see here


UPD 2. netcfg output here: https://pastebin.com/zRa7wi1t.

When you posted this question 6 months ago, in my efforts to reproduce your problem I disabled then later re-enabled NetBIOS over TCP/IP in the Advanced TCP/IP Settings of my network adapter. A few weeks later I discovered I was having the same problem described in the OP (except, I did it to myself). I ended up fixing the problem after hours of research which culminated in painstakingly comparing the Registries of a working computer with my non-working machine.

Here's the solution I discovered. (You might want to grab a beer first...)

You will need your network adapter's GUID. It looks something like this:

{DED7C856-1234-5678-BA7E-FF9BF300F579}


Here are two ways to get it:

### Via PowerShell:

1. Run this:

Get-NetAdapter | fl Name,Status,InterfaceDescription,Status,MacAddress,LinkSpeed,InterfaceGuid

2. Make note of the adapter's InterfaceGuid value.

### Via Command Prompt (source):

1. If necessary, use the Services MMC snap-in (run services.msc) to start the Wired AutoConfig service (for wired network interfaces) or WLAN AutoConfig service (for wireless interfaces).

2. Run the command corresponding to your type of interface:

Wired:       netsh lan show interfaces
Wireless:  netsh wlan show interfaces

3. Make note of the GUID value (it will be displayed without the surrounding braces, which you need to add).

# Step B: Edit the Registry

1. Run regedit to open the Registry Editor.

2. Navigate to the following key:

3. For each of the three values in the table below (Bind, Export, and Route), double-click the value to open the Value data editor.

4. Inspect the Value data for the strings shown in the Data column of the table below. When the table shows {GUID} replace that with the actual GUID of your network adapter, including the surrounding braces. For example, if your adapter's GUID is {DED7C856-1234-5678-BA7E-FF9BF300F579} according to the table below the Bind value in the Registry should have the following two entries:

\Device\Tcpip_{DED7C856-1234-5678-BA7E-FF9BF300F579}
\Device\Tcpip6_{DED7C856-1234-5678-BA7E-FF9BF300F579}

5. Add any Data values that are missing as new lines at the end of the text box. Do this for each value shown in the table.

Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NetBT\Linkage

+--------+-----------------------------+
| Value  | Data                        |
+--------+-----------------------------+
| Bind   | \Device\Tcpip_{GUID}        |
|        | \Device\Tcpip6_{GUID}       |
+--------+-----------------------------+
| Export | \Device\NetBt_Tcpip_{GUID}  |
|        | \Device\NetBt_Tcpip6_{GUID} |
+--------+-----------------------------+
| Route  | "Tcpip" "{GUID}"            |
|        | "Tcpip6" "{GUID}"           |
+--------+-----------------------------+

1. Repeat steps 2 through 5 for each of the following tables (for this following table, you'll use the data table for both keys shown):
Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Linkage

+-------+-----------------------------+
| Value | Data                        |
+-------+-----------------------------+
| Bind  | \Device\Tcpip_{GUID}        |
|       | \Device\Tcpip6_{GUID}       |
|       | \Device\NetBT_Tcpip_{GUID}  |
|       | \Device\NetBT_Tcpip6_{GUID} |
+-------+-----------------------------+
| Route | "Tcpip" "{GUID}"            |
|       | "Tcpip6" "{GUID}"           |
|       | "NetBT" "Tcpip" "{GUID}"    |
|       | "NetBT" "Tcpip6" "{GUID}"   |
+-------+-----------------------------+

Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Linkage

+--------+------------------------------------------+
| Value  | Data                                     |
+--------+------------------------------------------+
| Export | \Device\LanmanServer_Tcpip_{GUID}        |
|        | \Device\LanmanServer_Tcpip6_{GUID}       |
|        | \Device\LanmanServer_NetBT_Tcpip_{GUID}  |
|        | \Device\LanmanServer_NetBT_Tcpip6_{GUID} |
+--------+------------------------------------------+

Key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Linkage

+--------+-----------------------------------------------+
| Value  | Data                                          |
+--------+-----------------------------------------------+
| Export | \Device\LanmanWorkstation_Tcpip_{GUID}        |
|        | \Device\LanmanWorkstation_Tcpip6_{GUID}       |
|        | \Device\LanmanWorkstation_NetBT_Tcpip_{GUID}  |
|        | \Device\LanmanWorkstation_NetBT_Tcpip6_{GUID} |
+--------+-----------------------------------------------+


# Step C: Reboot

Reboot your computer for the changes to take effect.