Troubleshooting Duplicate Network Name Alert on Computer

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A duplicate name alert on a computer indicates that two devices on the same network are trying to use the same IP address, which disrupts network communication. To resolve this issue, restart other devices on the network and ensure that all computers are set to "obtain an IP address automatically." Each device on a local network must have a unique IP address, typically in the format of 192.168.0.xxx. If two devices share the same address, the network cannot direct data correctly. The problem may arise from manually assigned addresses or a router error. If one of the conflicting devices is turned off, the alert can be ignored, and normal network access may resume.
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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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