Type in net use at a Command Prompt to check that it isn't already Mapped. Example:
C:\Users\Rob>net use
New connections will be remembered.
Status Local Remote Network
-------------------------------------------------------------------------------
OK M: \\AMBO\AllText Microsoft Windows Network
Disconnected \\AMDU3\IPC$ Microsoft Windows Network
The command completed successfully.
Click Start
Click Control Panel
Click System and Maintenance
Click Administrative Tools
Double-Click Local Security Policy
In the left pane, click the triangle next to Local Policy
In the left pane, click Security Options
In the right pane near the bottom, double-click "Network security: LAN manager authentication level"
Click the drop-down box, and click "Send LM & NTLM responses"
Click OK
Reboot the PC
Check your Services are Started on all PCs:
Computer Browser
DHCP Client
DNS Client
Network Connections
Network Location Awareness
Remote Procedure Call (RPC)
Server
TCP/IP Netbios helper
Workstation
Note: You can check the services in Control Panel, Administrative Tools, Services.
All of these services should be started, and their startup type should be automatic.
All computers should be in the same workgroup for computer browsing to function properly. File & Print Sharing has to be enabled on any computer you wish to share files or printers from. You also need to actually share the resource in question from My Computer, right click on the drive/printer/folder, and select sharing.
If you encounter difficulties accessing computers that are visible in Network Neighborhood, make sure the computer being accessed has an account with the same name/password as the system connecting to it uses to login.
While the default NetBIOS setting is correct for normal network configurations, it's possible for it to be altered, and it costs nothing to make sure it's correct. NETBIOS over TCP/IP must be enabled for normal network browsing.
Check that File and Print Sharing is enabled on the PC's and also check this.
Click Start, click Control Panel
Click Network Connections.
Right-click "Local Area Connection", and then click "Properties".
Click on (highlight) "Internet Protocol (TCP/IP)", and then click "Properties" button
Click the General tab, and then click "Advanced" button , bottom right.
Click the WINS tab.
Under "NetBIOS setting" section, click Enable NetBIOS over TCP/IP, and then click OK two times, then "close".
( ) Default
(*) Enable NetBios
( ) Disable NetBios
Check to see if Remote Access is enabled by clicking Start, right click My Computer and select Properties. Select Remote and tick both boxes.
Keep us informed as to your progress if you require further assistance.
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