If the network connection suffers a technical failure or is not configured properly then some of the error messages will be generated and displayed on the screen. The messages provide helpful clues that may create issues. Here are lists of common network-related error messages that help you to troubleshoot and fix networking problems.
1 . “A Network Cable Is Unplugged”
Network cable is Unplugged error message may appear when Windows Desktop balloon. If the there is a problem you may lose access to the network. If you are using the wireless network this error message can annoy you repeatedly until you address this issue although your network will work normally. There are different conditions by which there errors are generated. The most commonly it appears when an installed Ethernet adapter is seeking in making a network connection.
- Disable the Ethernet network adapter when you are not using it.
- Check if both the ends of the Ethernet cable are connected to the adapter and is not loose.
- See if the Ethernet cable is not damaged verify and replace.
- Replace the Ethernet network adapter if it is removable PCI or PCMCIA card.
2. Conflict of IP Address (or Address Already in Use)
The computer is set up with static IP address which can be used by other devices on the network, thus the computer will be unable to use the network. This problem may occur even in the dynamic (DHCP) addressing. IP address conflict may occur with two computers on a LAN (local area network) or the Internet which is assigned the same IP address. In other terms it means that the system administrator has assigned two computers on the LAN the same static IP address.
Here are following remedies to solve IP conflicts:
- When the IP address is fixed and statically assigned ensures that each local host is configured with the unique IP address.
- If you computer is dynamically assigned address then release and renew the IP address.
- If the home router contains faulty DHCP server that causes IP conflicts then the home network upgrading the router firmware can resolve this problem.
3 . “The Network Path Cannot Be Found” message
The updating of the TCP/IP configuration helps to resolve the issues that can be seen on the Microsoft Windows computers when they try to access another device via Network Neighborhood.
4 . “Duplicate Name Exists on the Network” message
After you start the Microsoft Windows computer which is connected to local network you may notice this error displayed as balloon message. When it occurs you computer will unable to access the network. Thus you need to change the name of your computer to one that is not used by other local computer and reboot to resolve this problem. The Duplicate name error prevents you computer from joining the network. This will let the computer to start up and function though offline mode only.
5 . “Limited or no connectivity” message
When you are trying to access the web page or any network resource on a Windows shared drive, you may encounter a “Limited Or No Connectivity” error message which pop-ups. This may be the result of the several different technical glitches or configuration problems. To resolve this problem:
- See whether your network is working properly. If it is not working properly then follow the below steps:
- If your system is connected to the network through a broadband router then you can resolve this issue. If you are not using the broadband router then resetting the router only temporarily resolves this issue.
- If you are using the Wi-Fi or wireless security then WEP or other security key may not set properly. Check the wireless security configuration on the computer network adapter or update it.
- If you are using the Ethernet cable may have failed. Then temporarily replace your network cable to determine whether it resolves it.
- Then reboot the computer, router and broadband modem together to reset the connection.
- If the connection remains non-functional then it is better to run the Windows Network Repair utility on your system.
6. “Connected with Limited Access…” message
The Windows Vista may cause this error message which may occur when you are making certain type of wireless connections. This error may also fix by resetting the router.
7. “Unable to Join Network Failure (error -3)” on the iPhone
If you are unable to join Network Failure (error -3) which may appear on the iPhone when it fails to connect the Wi-Fi network. This issue is similar to PC fails to connect the wireless home network or hotspot. To resolve these issues:
- Check the network name (SSID) setting on the iPhone and ensure the Wi-Fi access point.
- Check the security configuration (WEP or WPA parameters) on the iPhone to ensure the encryption keys or passphrases value.
- If the above steps are not resolve these issues then troubleshoot security settings on the Wi-Fi access point.
8. “Unable to Establish the VPN Connection” (error 800) message
The use of VPN client on Windows XP may receive the error 800 when you try to connect the VPN server. This message indicates that the problem is with the client or server side. If you encounter this problem then check the following:
- If you are using correct VPN server name? This name is provided by the server administrator.
- Is the Internet / network connection with the server is functioning properly.
- If the network firewall is blocking the VPN connection. Port 1723 may be opened and Protocol 47 must be enabled in the firewall configuration settings.
- If the server have too many clients is connected to the VPN server connection limit which has been exceeded.
If the above mentioned steps do not resolve these network connection errors then you can fix these types of Network connection errors with the help of the PC Repair Tool. It works in penetration testing and network security infrastructure and ensures better network connectivity.