Haddii aad hesho fariin khalad ah oo odhanaysa- DHCP Lookup Failed —markaas waxaa sabab u ah hab-maamuuska khaldan ee kombiyuutarkaaga. Cilada ayaa lagu soo warramey in ay ka soo muuqato daalacashada Waxay ku socotaa iyada oo aan la dhihin waxaad u baahan doontaa koontada isticmaalaha admin si aad u xalliso dhibaatada.

Waa maxay DHCP?

Hab-maamuuska Isku-xidhka Marti-geliyaha Dynamic Host (DHCP)^{(Dynamic Host Configuration Protocol (DHCP))} waa hab-maamuus shabakad. Waxay mas'uul ka tahay maaraynta iyo otomaatiga nidaamka meelaynta IP si aaladaha si gaar ah loogu heli karo marka ay ku jiraan shabakad. Waan hubaa inay tahay inaad midkan aragtay markaad habaynayso router, kaasoo u shaqeeya sidii qalab DHCP ah. Marka kombuyuutarku kabaha gashado, wuxuu raadiyaa qalabka DHCP ama server wuxuuna isku dayaa inuu helo IP . Haddii qalabku aanu meesha ku jirin ama aan si sax ah loo habayn, DHCP Lookup wuu fashilmayaa.

Sida loo hagaajiyo Raadinta DHCP waa guuldareystay

Raac talooyinkan si aad u xalliso dhibaatada.

1. Qalab aad u badan oo ku xidha isla serferka DHCP
2. Dib u cusboonaysii IP-ga
3. Orod Cilad-bixiyaha Network

Waa inaad awood u yeelatid inaad tan xalliso adigoon lahayn wax xisaab admin ah.

1 ]^{(] Too)} Qalab aad u badan oo ku xidha isla DHCP Server

Server kasta oo DHCP ah waxa uu leeyahay habayn SUBNET^(SUBNET) kaas oo asal ahaan go'aamiya inta qalab ee uu maamuli karo. Sida caadiga ah, dhammaanteen waxaan isticmaalnaa 255.255.255.0 Subnet mask with IP as 192.168.XY Haddii aad haysato qalab badan oo ku xiraya server-ka, ie, in ka badan 200, markaa waa fikrad wanaagsan inaad u beddesho Class A ama Class B subnet. Way fiicnaan lahayd inaad waydiiso maamulkaaga IT-ga

• Shabakadaha heerka A waxay isticmaalaan maaskaro subnet-ka caadiga ah ee 255.0.0.0
• Shabakadaha heerka B waxay isticmaalaan maaskaro subnet-ka caadiga ah ee 255.255.0.0

Haddii aad leedahay aqoon aasaasi ah oo ku saabsan habaynta router-ka, goobtan waa inay ahaato mid la heli karo sida ikhtiyaarka ugu horreeya ka dib markaad gasho. Arrinka waxaa inta badan ka warbixiyey hay'ado iibsaday Chromebooks tiro badan, shabkadana diyaar uma ahayn in ay wada maamulaan dhamaantood.

2] Cusbooneysii IP

Waxaa suurtogal ah in router-ku aanu awoodin inuu ku meeleeyo ciwaanka IP-ga qalab kasta, qaarkoodna way guuldarraysteen. Xaaladdaas, waxaad ku wadi kartaa kuwan soo socda ee Command Prompt ee Windows .

ipconfig /renew

Tani waxay ku qasbi doontaa kombuyuutarku inuu ku xidhmo DHCP^(DHCP) si uu u helo ciwaanka IP-ga cusub.

Haddii aad isticmaalayso Chromebook , waxaad isticmaali kartaa dejinta Chrome OS si aad u hagaajiso. Aad Chrome OS Settings , oo hel Xidhiidhka Internetka^{(Internet Connection)} . Waxay leedahay habayn ay gacanta ugu qoondayso IP-ga ama beddelka beddelka, kaas oo bilaabi doona codsiga cusboonaysiinta IP-ga.

3] Orod dhibbanaha shabakada

Daaqadaha waxa ay la socotaa cilad bixiyaha shabakad ku dhex jirta . Waxaad ka heli kartaa Settings Windows^{(Windows Settings)} ( WIN +I )> Cusboonaysiinta^(Update) iyo Amniga> Cilad-horumarka. Hel Xidhiidhada Internetka^{(Locate Internet Connections)} , dooro oo socodsii.

Waxa kale oo aad ku qori kartaa cilad-bixiyaha shabakada^{(network troubleshooter)} , oo waxay keenaysaa cilad bixiyaha Isku xirka Internetka^{(Internet Connections)} , kaas oo aad isla markiiba socodsiin karto.

Haddii taasi aysan ku caawin, isku day inaad isticmaashid ikhtiyaarka Dib-u-dejinta Shabakadda gudaha Windows 10.

Waxaan rajeynayaa in boostadu ay faa'iido lahayd oo ay kaa caawisay inaad hagaajiso DHCP Lookup arintu.

How to fix DHCP Lookup Failed error om Windows & Chromebooks

If you receive an error message which says— DHCP Lookup Failed —then it’s because of a misconfigured protocol on your computer. The error has been reported to appear on browsers. It goes without saying that you will need an admin user account to fix the problem.

What is DHCP?

Dynamic Host Configuration Protocol (DHCP) is a network protocol. It is responsible for managing and automating the process of IP assignment so the devices can be individually accessed when on a network. I am sure you must have seen this one when configuring a router, which acts as a DHCP device. When a computer boots, it looks for a DHCP device or server and tries to get an IP. If the device is not there or not configured properly, the DHCP Lookup will fail.

How to fix DHCP Lookup Failed

Follow these suggestions to fix the problem.

1. Too many devices connecting to the same DHCP server.
2. Renew IP
3. Run Network Troubleshooter

You should be able to resolve this without any admin account.

1] Too many devices connecting to the same DHCP Server

Every DHCP server has a SUBNET configuration which essentially decides how many devices it can manage. Usually, we all use the 255.255.255.0 Subnet mask with IP as 192.168.X.Y. If you have tons of devices connecting to the server, i.e., more than 200, then it is a good idea to switch to Class A or Class B subnet. It would be best to ask your IT admin to

• Class A networks use a default subnet mask of 255.0.0.0
• Class B networks use a default subnet mask of 255.255.0.0

If you have a basic knowledge of configuring the router, this setting should be available as the first option after you login. The issue was largely reported by organizations that bought Chromebooks in bulk, and the network was not ready to manage all of them together.

2] Renew IP

It is possible that the router wasn’t able to assign an IP address to every device, and some of them failed. In that case, you can run the following on the Command Prompt on Windows.

ipconfig /renew

This will force the computer to connect with DHCP to get a new IP address.

If you are using a Chromebook, you can use the Chrome OS settings to fix it. Go to Chrome OS Settings, and locate the Internet Connection. It has settings to manually assign an IP or toggle switch, which will initiate an IP renewal request.

3] Run Network Troubleshooter

Windows comes with a built-in Network troubleshooter. You can find it in Windows Settings (WIN +I) > Update and Security >  Advanced Troubleshoot. Locate Internet Connections, select it, and run it.

You can also type network troubleshooter, and it will bring up the Internet Connections troubleshooter, which you can instantly run.

If that does not help, try using the Network Reset option in Windows 10.

I hope the post was useful and helped you to fix DHCP Lookup Failed issue.

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