Ethernet doesn't have a valid IP configuration

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tsaikat

Thread Starter
Joined
Oct 29, 2018
Messages
3
Suddenly, this problem appeared.
It shows "identifying..."
and while i run the diagnosis it shows "Ethernet doesn't have a valid IP configuration"
I tried with static IP address > No result
I tried ipconfig release,flushdns, renew
but while i run Ipconfig /renew it gives me an error saying "An error occurred while renewing interface Ethernet : unable to contact your DHCP server, Request has timed out."

What's weird is that, the same Ethernet cable works on another computer.
Also, the same computer that i'm having problem with works on the ports of another room.

At this point I'm clueless what to do.

I'd highly appreciate some help on this.
 

Fireflycph

Morten
Joined
Apr 1, 2016
Messages
1,536
Try to download the latest driver for the device onto a USB stick etc. Then uninstall all software/drivers associated with the device. Finally, in Device Manager, rightclick the device and click uninstall. When prompted to delete the associated answer "Yes".

Reboot and install the drivers previously downloaded to the USB.
 
Joined
Oct 28, 2018
Messages
6
i had the same problem yesterday, try cleaning the plug that isn't working, dust can block a connection, if not that the plug might be damaged
 

tsaikat

Thread Starter
Joined
Oct 29, 2018
Messages
3
@Couriant
Yes . Business edition (if that's important)
Today i realized that I have another computer in the server started having same problem
 

imstewart

Ian
Joined
Jun 18, 2015
Messages
22
Hi, It does sound in part that your DHCP server is having issues giving out IP address or that PC is not on the same network as the device that is giving out the IP address ( Router or Server ).

1) Do you know what device is giving out the IP address, I would expect a Router or a Server. If you can try and restart the device to see if that restarts the DHCP server.
2) Can you get the PC plugged into a spare port on the router, if the router is giving out the IP addreses or on the same switch as the server if it a server that is giving out the IP address and see if you can get a net IP address
3) Try and use a different ethernet cable, just in case..
4) If you can try and do an IPCONFIG /renew on a device that is working will prove if the DHCP Server is working, as you said that another device is starting ot have the same issue, as the IP address only have a defined period before it has to check back in.

Hope this helps
 

Fireflycph

Morten
Joined
Apr 1, 2016
Messages
1,536
Like @imstewart said "It seems like a DHCP issue. In my oinion more of a DNS issue. So, as imstewart said. FInd out where the DHCP server resides. Typically that would be in the router. Unless you have a Active Directory role installed. THen you may also have the DHCP installed. Check the scope for address availability. Check the DNS settings passed on to the clients.
If the server servers DHCP clients make sure that the IP of the server is set as DNS #1 and a publuc DNS server, such as Google's are set as DNS #2 I believe that ip is "8.8.8.8."
But first, restart both router and server. WHich would reset the DHCP server regardless of where it is and should clear unused DHCP leases.

EDIT: Make sure that both IP's and DNS settings are set to be obtained automatically on the stations.
 
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