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A duplicate name exists on the network

A duplicate name exists on the network

1. It may be the problem of duplicate name exists on your network
2. DNS Cannot Register or WINS Address is Duplicat

1. For the first Error

• Right click on My Computer and click on Properties
• click on the Computer Name tab
• Error may be Full computer name
• So Click on"To rename this computer or join a domain, click Change" =>Change
• "Compute name Change" form appear.
• Change computer name => as you like but not same to another computer name
• "Workgroup" as you network group
• Press ok button
• It asked asked restart
• Then restart it
• Now your problem is solved

2. for second case

• Right click on "My Network Places" then click on properties
• Right click on "Local Area Network" then click on properties
  
• There is three tab 1. General 2. Authentication 3. Advance
• You chose General Tab
• There you see " This connection uses the following items:"
• Choose "Internet Protocol(TCP/IP)"
• Click Properties button
• There you see two tab. 1 General 2. Alternate Configuration
• Click on General.
• Click on Advance
• There you see four tab 1. IP Settings 2. DNS 3. WINS 4. Option
• Click on DNS
• Unclick on "Register this connection's Address in DNS"
• Click Second tab WINS
• Unclick on "Enable LMHOSTS lookup
• click on "Disable NetBIOS over TCP/IP"
• Click ok, ok, ok
• run command prompt
• type the command => ipconfig /flushdns
• restart the computer
• Then it will not come the messege "A duplicate name exists on the network "
• restore the network as it change in above
• Now problem is solved