Troubleshooting Duplicate Network Name Alert on Computer

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Discussion Overview

The discussion revolves around troubleshooting a "duplicate name exists in the network" alert that appears on a computer. Participants explore potential causes and solutions related to network settings, IP address conflicts, and connectivity issues.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Homework-related

Main Points Raised

  • One participant expresses urgency in resolving the duplicate name alert without understanding its cause.
  • Another suggests restarting other computers on a home network and ensuring network settings are configured to obtain an automatic IP address.
  • A participant questions how they can still access the internet despite the alert and asks for further clarification on causes and solutions.
  • Several participants explain that each machine on a network requires a unique IP address, and conflicts arise when two machines share the same address, leading to connectivity issues.
  • It is noted that if a conflicting machine is turned off, the alert may be ignored, allowing access to the network.

Areas of Agreement / Disagreement

Participants present multiple viewpoints on the causes of the alert and potential solutions, indicating that there is no consensus on a single resolution. Some participants agree on the need for unique IP addresses, while others focus on different troubleshooting steps.

Contextual Notes

Participants discuss various network settings and configurations but do not resolve the underlying assumptions about network behavior or the specific conditions leading to the alert.

Who May Find This Useful

This discussion may be useful for individuals experiencing similar network issues, particularly those unfamiliar with IP address management and network settings.

coverme
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it's urgent ,solution please

this morning when I opened the computer , with a welcome note ,there came a computer notice(A duplicate name exist in the networK),I do not understand this why the system alerted me
Anyway the other programme runs,but I wanted to know how to remove this alert notice
 
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If you are on a home network restart any other computers. Also make sure that the network settings are set to 'obtain automatic ip address'.

The message also means you won't be able to get on the network.
 


But I am using same pc to get in the internet now, can u please explain what are the causes and again more solution strategy
 


Every machine on the net has a unique number (liek a telephone number) something like 192.168.0.100. If you are on a local network either at home with a router or at work, every machine on the network will have a different last number, 192.168.0.100 192.168.0.101 etc. In the network settings, start->control panel->network ->tcp/ip settings you can enter a number or select 'obtain an address automatically'.
If two machines on the network have the same number then the network has no way to send the data to the correct machine.

Either you are entering the address and you have used the same number for two machines, or you have 'obtain automatically' and the router has made a mistake. If the other machine has since been turned off then you will be able to get on the network and you can ignore the message.
 


mgb_phys said:
Every machine on the net has a unique number (liek a telephone number) something like 192.168.0.100. If you are on a local network either at home with a router or at work, every machine on the network will have a different last number, 192.168.0.100 192.168.0.101 etc. In the network settings, start->control panel->network ->tcp/ip settings you can enter a number or select 'obtain an address automatically'.
If two machines on the network have the same number then the network has no way to send the data to the correct machine.

Either you are entering the address and you have used the same number for two machines, or you have 'obtain automatically' and the router has made a mistake. If the other machine has since been turned off then you will be able to get on the network and you can ignore the message.

Great thanks ,its useful
 

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