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Help Can you help, now it says it cannot contact my DHCP server?

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Try this link. It explans what a DHCP is and how to configure it.
http://www.howtoforge.com/dhcp_server_linux_debian_sarge

Posted on Jun 20, 2008

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Find proxy server address


Changing TCP/IP settings Win 7 TCP/IP defines how your computer communicates with other computers.
To make it easier to manage TCP/IP settings, we recommend using automated Dynamic Host Configuration Protocol (DHCP). DHCP automatically assigns Internet Protocol (IP) addresses to the computers on your network, if your network supports it. If you use DHCP, then you don't have to change your TCP/IP settings if you move your computer to another location, and DHCP doesn't require you to manually configure TCP/IP settings, such as Domain Name System (DNS) and Windows Internet Name Service (WINS). To enable DHCP or change other TCP/IP settings, follow these steps:
  1. Open Network Connections by clicking the Start button 4f6cbd09-148c-4dd8-b1f2-48f232a2fd33_818.jpg, and then clicking Control Panel. In the search box, typeadapter, and then, under Network and Sharing Center, click View network connections.
  2. Right-click the connection that you want to change, and then click Properties. 18abb370-ac1e-4b6b-b663-e028a75bf05b_48.jpg If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
  3. Click the Networking tab. Under This connection uses the following items, click either Internet Protocol Version 4 (TCP/IPv4) or Internet Protocol Version 6 (TCP/IPv6), and then click Properties. 25e7e385-9327-4f7d-aab0-afa5aaf952ba_49.jpgThe Network Connection Properties dialog box
  4. To specify IPv4 IP address settings, do one of the following:
    • To get IP settings automatically using DHCP, click Obtain an IP address automatically, and then click OK.
    • To specify an IP address, click Use the following IP address, and then, in the IP address, Subnet mask, and Default gateway boxes, type the IP address settings.
  5. To specify IPv6 IP address settings, do one of the following:
    • To get IP settings automatically using DHCP, click Obtain an IPv6 address automatically, and then click OK.
    • To specify an IP address, click Use the following IPv6 address, and then, in the IPv6 address, Subnet prefix length, and Default gateway boxes, type the IP address settings.
  6. To specify DNS server address settings, do one of the following:
    • To get a DNS server address automatically using DHCP, click Obtain DNS server address automatically, and then click OK.
    • To specify a DNS server address, click Use the following DNS server addresses, and then, in the Preferred DNS server and Alternate DNS server boxes, type the addresses of the primary and secondary DNS servers.
    f598cd96-6bf9-47be-942d-7d0b0afdbd88_47.jpgThe Internet Protocol Version 4 (TCP/IPv4)Properties dialog box
  7. To change advanced DNS, WINS, and IP settings, click Advanced.

Mar 10, 2014 | Dell Latitude D600 Notebook

Tip

How to add fast and efficient spot light to text... in windows 2000 and windows...


Follow these steps to create user classes in the DHCP console:

1. Open the dhcp console, right-click the server and choose Define user classes
2. Click add in the dhcp user classes dialog box and then specify a name. optional description, and class ID. the class id is the string you will configure on the client as that client`s user class.
3. Right click the scope options branch, choose configure Options, and Advanced
4. Select the user class from the User Class drop-down list and, in the resulting Available Options list, select and set the options that you want to apply to computers in the selected user class.

Thanks
Tips by uttam


on Jan 11, 2010 | PC Laptops

1 Answer

How can i connect to my server


there are several way to connect ur PC to the server.

1. DHCP server will provide automatic ip to your pc so u will be able to have comunication with server.
2. put manual IP address same range as ur server have .

Sep 29, 2011 | Sylvania G-Netbook

1 Answer

A dhcp server could not contact. Using cached lease info


If you have static IP you will have to check with you Internet provider to see if the IP still has a license. you may have a new IP release.

Jul 06, 2011 | Sylvania PC Laptops

1 Answer

All I need is to find the MAC address on my laptop (HP Pavilion dv7) so that I can manually add it to my network router. Can someone please help me?


Start - Run - Type cmd, then enter

ipconfig /all

Here is an example output. What you are looking for is the physical address:

Windows IP Configuration

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . : domain.cox.net
Description . . . . . . . . . . . : Intel(R) WiFi Link 5972 AGN
Physical Address. . . . . . . . . : 00-21-6A-74-AA-91
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.0.55(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Saturday, December 18, 2010 2:14:02 PM
Lease Expires . . . . . . . . . . : Sunday, December 19, 2010 6:01:49 PM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DNS Servers . . . . . . . . . . . : 192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled

When done, type exit

Dec 19, 2010 | PC Laptops

1 Answer

HI I Trying to restore my ASUS EEE PC 900. It has no CD drive. I tried doing the F9 option but it does not seem to work. It keeps bringing me to the black screen where it says safe mode, start windows...


Method 1 :
  Installed Operating system with an external usb CD or DVD Rom drive.Set your laptop to boot from USB CD ROM in your BIOS.

Method 2 :
  Yoou need an PC with windows server 2000/2003 with RIS (Remote Installation server Set up plus DHCP (Dynamic Host configuration protocol) server ).Change your laptop BIOS Boot setting to boot from Network and installed as if you are installing through  normal procedure.

For more information on setting up RIS Server and DHCP.

here is the link

http://support.microsoft.com/kb/298750

http://www.windowsnetworking.com/articles_tutorials/Setting-Up-DHCP-Server-Organization.html

Dec 20, 2009 | ASUS Eee PC 900 Notebook

1 Answer

Wi-Fi not connecting on Toshiba Satellite A15-S157 PC Notebook


you tried giving it a static IP address rather than using automatic settings (i.e. DHCP). Sure enough, this cured the problem, connected fine. I looked in the dhcp server logs and while it was not complaining that the IP address pool was all used, it did seem that all the IP addresses available were being used. I increased the number of IP addresses available to be allocated by the dhcp server and problem solved. The big mystery to me is why Windows XP would report this as a problem with a weak signal? Isn't the access to the dhcp server and the allocation of the IP address at a layer above the wireless connection? Anyway, it's useful to be warned that the wireless diagnostics are misleading.

Nov 05, 2008 | Toshiba Satellite A15-S157 Notebook

2 Answers

Internet hookup


This is not the manufacturer's site, but i will try to help.
Is it your own network?
You need to make sure that the network is not protected, or you'll need the password.
Go to Start>Control Panel on your computer
Then go to Network Connections
There should be an icon for your wireless connection.
Right-click -> select Properties
In the selectbox select 'Internet Protocol (TCP/IP)'
Click Properties
Check if 'Obtain an IP-address automatically' and 'Obtain DNS-server' are selected
If they were not, Press <Ok> two times and try to connect to the wireless network again.

Can you also tell what IP-address you get?
Find it by going to Start > Run
Type 'cmd' without the quotation marks and press <Ok>
you get a black command box
type 'ipconfig', again without the quotation marks and press <Enter>
Please tell me the IP-address it tells you...

Mar 27, 2008 | Averatec 3200 Notebook

1 Answer

Laptop (Averatec Model #3150


Hi
I am try to take a stab at answering your query.

Internet Protocol (IP) Address preceeding with "169" means your PC is not receiving IP Address "generally" from your Boradband Modem or Internet Service Provider (ISP). The PC through Automatic Private Internet Protocol Addressing (APIPA) is assigning itself a temporal IP address.
This conditions means either
1. Dynamic Host Configuration Protocol (DHCP) Client service is not running properly on your PC (Unlikely)
2. There is no connection between your PC and Broadband Device or ISP wired or wirelessly (very likely)
3. DHCP Server Service is not configured or not running on Boardband device (likely) or ISP (unlikely)
4. Some firewall software when improperly configured are known to block all ports and services. This can block TCP Ports 67 and 68 used by DHCP Client/Server communication (quite likely)
Some pointers for more info;
1. Your query suggest your issues are limited to Wireless connection. Can you access Internet through wired connection? If so;
a) What Wired connection is in use? USB or Ethernet?
b) Is wired connection through same Broadband device?
c) What IP is assigned to your PC in wired connection?
d) If wired connection works, is IP assignment static or by DHCP?
e) What Boardband device is in use? In which mode is the device set to? Router/Bridge
2. If you can't connect both wired and wireless, then it is unlikely your PC hardware is at fault. Call your Broadband Provider for further help and configuration. Try entily disabling your firwall software (if installed) and test conection.
3. If you can connect through wired connection and your IP Address does not proceed with "192.168" or "172.16" then your boadband device is likely in a bridge mode. In bridge mode, the DHCP Server Service on your boardband device is disabled. Most ISPs will only assign only one IP address to a user. If an IP address has been assigned to your PC on the wired connection, then the wireless connection will not receive an IP address and therefore your PC will assign itself an IP in the range "169.254"

Regards
Mike

Mar 27, 2008 | Averatec 3150H Notebook

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