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Windows 7

Test Network Connection with Ping and PathPing

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∗ Test Network Connection with Ping and Path-Ping ∗

Ping is a tool that helps to verify IP-level connectivity; PathPing is a tool that detects packet loss over multiple-hop trips. When troubleshooting, the ping command is used to send an ICMP Echo Request to a target host name or IP address. Use Ping whenever you want to verify that a host computer can send IP packets to a destination host. You can also use the Ping tool to isolate network hardware problems and incompatible configurations.

Note ≈>

If you call ipconfig /all and receive a response, there is no need to ping the loopback address and your own IP address — Ipconfig has already done so in order to generate the report.

It is best to verify that a route exists between the local computer and a network host by first using ping and the IP address of the network host to which you want to connect. The command syntax is:

ping < IP address >

Perform the following steps when using Ping:

  1. Ping the loopback address to verify that TCP/IP is installed and configured correctly on the local computer.ping 127.0.0.1

    If the loopback step fails, the IP stack is not responding. This might be because the TCP drivers are corrupted, the network adapter might not be working, or another service is interfering with IP.

  2. Ping the IP address of the local computer to verify that it was added to the network correctly. Note that if the routing table is correct, this simply forwards the packet to the loopback address of 127.0.0.1.ping < IP address of local host >
  3. Ping the IP address of the default gateway to verify that the default gateway is functioning and that you can communicate with a local host on the local network.ping < IP address of default gateway >
  4. Ping the IP address of a remote host to verify that you can communicate through a router.ping < IP address of remote host >
  5. Ping the host name of a remote host to verify that you can resolve a remote host name.ping < Host name of remote host >
  6. Run a PathPing analysis to a remote host to verify that the routers on the way to the destination are operating correctly.pathping < IP address of remote host >

     

If your local address is returned as 169.254.y.z, you have been assigned an IP address by the Automatic Private IP Addressing (APIPA) feature of Windows 2000. This means that the local DHCP server is not configured properly or cannot be reached from your computer, and an IP address has been assigned automatically with a subnet mask of 255.255.0.0. Enable or correct the DHCP server, restart the local computer, and see if the networking problem persists.

If your local address is returned as 0.0.0.0, the Microsoft MediaSense software override started because the network adapter detects that it is not connected to a network. To correct this problem, turn off MediaSense by making sure that the network adapter and network cable are connected to a hub. If the connection is solid, reinstall the network adapter’s drivers or a new network adapter.

Ping uses host name resolution to resolve a computer name to an IP address, so if pinging by address succeeds, but fails by name, then the problem lies in host name resolution, not network connectivity. For more information about troubleshooting host name resolution, see “Unable to Reach a Host or NetBIOS Name” earlier in this chapter.

If you cannot use Ping successfully at any point, check the following:

  • The local computer’s IP address is valid and appears correctly in the IP Address tab of the Internet Protocol ( TCP/IP) Properties dialog box or when using the Ipconfig tool.
  • A default gateway is configured and the link between the host and the default gateway is operational. For troubleshooting purposes, make sure that only one default gateway is configured. While it is possible to configure more than one default gateway, gateways beyond the first are only used if the IP stack determines that the original gateway is not functioning. Since the point of troubleshooting is to determine the status of the first configured gateway, delete all others to simplify your troubleshooting.

♥ Important ♥

If the remote system being pinged is across a high-delay link such as a satellite link, responses might take longer to be returned. The -w (wait) switch can be used to specify a longer time-out. The following example shows a set of two pings, each 1450 bytes in size, that wait two seconds (2000 milliseconds) for a response before timing out.

C:\>ping -w 2000 -n 2 -l 1450 172.16.48.10

Pinging 172.16.48.10 with 1450 bytes of data:

Reply from 172.16.48.10: bytes=1450 time=1542ms TTL=32

Reply from 172.16.48.10: bytes=1450 time=1787ms TTL=32

Ping statistics for 172.16.48.10:

Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),

Approximate round trip times in milli-seconds:

Minimum = 0ms, Maximum = 10ms, Average = 1664ms

♥ Clear ARP Cache ♥

If you can ping both the loopback address and your own IP address, the next step is to clear out the ARP cache and reload it. This can be done by using the Arp utility, first to display the cache entries with arp -a or arp -g . Delete the entries with arp -d < IP address >.

♥ Verify Default Gateway ♥

Next, look at the default gateway. The gateway address must be on the same network as the local host; if not, no messages from the host computer can be forwarded to any location outside the local network. Next, check to make sure that the default gateway address is correct as entered. Finally, check to see that the default gateway is a router, not just a host, and that it is enabled to forward IP datagrams.

♥ Ping Remote Host ♥

If the default gateway responds correctly, ping a remote host to ensure that network-to-network communications are operating as expected. If this fails, use Tracert to examine the path to the destination. For IP routers that are Windows NT or Windows 2000 computers, use the route utility or the Routing and Remote Access administrative tool on those computers to examine the IP routing table. For IP routers that are not Windows NT or Windows 2000 computers, use the appropriate utility or facility to examine the IP routing table.

Four error messages are commonly returned by Ping during troubleshooting. They are:

♥ TTL Expired in Transit ♥

The number of hops required to reach the destination exceeds the TTL set by the sending host to forward the packets. The default TTL value for ICMP Echo Requests sent by Ping is 32. In some cases, this is not enough to travel the required number of links to a destination. You can increase the TTL using the -i switch, up to a maximum of 255 links.

If increasing the TTL value fails to resolve the problem, the packets are being forwarded in a routing loop, a circular path among routers. Use Tracert to track down the source of the routing loop, which appears as a repeated series of the same IP addresses in the Tracert report. Next, make an appropriate change to the routing tables, or inform the administrator of a remote router of the problem.

♥ Destination Host Unreachable ♥

This message indicates one of two problems: either the local system has no route to the desired destination, or a remote router reports that it has no route to the destination. The two problems can be distinguished by the form of the message. If the message is simply “Destination Host Unreachable,” then there is no route from the local system, and the packets to be sent were never put on the wire. Use the Route utility to check the local routing table.

If the message is “Reply From < IP address >: Destination Host Unreachable,” then the routing problem occurred at a remote router, whose address is indicated by the “< IP address >” field. Use the appropriate utility or facility to check the IP routing table of the router assigned the IP address of < IP address >.

If you pinged using an IP address, retry it with a host name to ensure that the IP address you tried is correct.

♥ Request Timed Out ♥

This message indicates that no Echo Reply messages were received within the default time of 1 second. This can be due to many different causes; the most common include network congestion, failure of the ARP request, packet filtering, routing error, or a silent discard. Most often, it means that a route back to the sending host has failed. This might be because the destination host does not know the route back to the sending host, or one of the intermediary routers does not know the route back, or even that the destination host’s default gateway does not know the route back. Check the routing table of the destination host to see whether it has a route to the sending host before checking tables at the routers.

If the remote routing tables are correct and contain a valid route back to the sending host, to see if the ARP cache lacks the proper address, use the arp -a command to print the contents of the ARP cache. Also, check the subnet mask to be sure that a remote address has not been interpreted as local.

Next, use Tracert to follow the route to the destination. While Tracert does not record the address of the last hop or the path that the packet followed on the return path, it might show that the packet made it to the destination. If this is the case, the problem is probably a routing issue on the return path. If the trace doesn’t quite reach the destination, it might be because the target host is protected by a firewall. When a firewall protects the destination, ICMP packet filtering prevents the ping packets—or any other ICMP messages—from crossing the firewall and reaching their destination.

To check for network congestion, simply increase the allowed latency by setting a higher wait time with the -w switch, such as 5000 milliseconds. Try to ping the destination again. If the request still times out, congestion is not the problem; an address resolution problem or routing error is a more likely issue.

♥ Unknown Host ♥

This error message indicates that the requested host name cannot be resolved to its IP address; check that the name is entered correctly and that the DNS servers can resolve it.

Source: https://technet.microsoft.com/

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Filed Under: 2015-Kmsraj51 की कलम से….., Test Network Connection, Wi-Fi, Windows, Windows 7, WIRELESS TECHNOLOGIES Tagged With: Find Network Problem, how to check ping is properly serve, How to Clear ARP Cache, How to Ping Remote Host, How to resolve Destination Host Unreachable, How to Resolve Internet Connection, How to resolve Request Timed Out Problem, How To Troubleshoot Internet Connection Problems, http://kmsraj51.com/, http://mcitpkmsraj51.blogspot.com/, http://mcitpkmsraj51.blogspot.in/, Internet Protocol ( TCP/IP) Properties, Kmsraj51, Ping and PathPing, Resolve Test Network Connection with Ping and PathPing, Using Ping to Find Network Problems

Windows XP – Support is ending soon

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Support is ending soon
On April 8, 2014, support and updates for Windows XP will no longer be available. Don’t let your PC go unprotected.


What is Windows XP end of support?
=================================
Microsoft has provided support for Windows XP for the past 12 years. But now the time has come for us, along with our hardware and software partners, to invest our resources toward supporting more recent technologies so that we can continue to deliver great new experiences.

As a result, after April 8, 2014, technical assistance for Windows XP will no longer be available, including automatic updates that help protect your PC. Microsoft will also stop providing Microsoft Security Essentials for download on Windows XP on this date. (If you already have Microsoft Security Essentials installed, you will continue to receive antimalware signature updates for a limited time, but this does not mean that your PC will be secure because Microsoft will no longer be providing security updates to help protect your PC.)

If you continue to use Windows XP after support ends, your computer will still work but it might become more vulnerable to security risks and viruses. Also, as more software and hardware manufacturers continue to optimize for more recent versions of Windows, you can expect to encounter greater numbers of apps and devices that do not work with Windows XP.

Desktop

What does it mean if my version of Windows is no longer supported?
==================================================================
An unsupported version of Windows will no longer receive software updates from Windows Update. These include security updates that can help protect your PC from harmful viruses, spyware, and other malicious software, which can steal your personal information. Windows Update also installs the latest software updates to improve the reliability of Windows—new drivers for your hardware and more.

Support end dates

Here are the dates when support will end for PCs running Windows XP and Windows Vista without the latest service packs:

Support for Windows XP is ending on April 8, 2014. For more information, see Support is ending for Windows XP.

Support for Windows Vista Service Pack 1 (SP1) ended on July 12, 2011. To continue support, make sure you’ve installed Windows Vista Service Pack 2 (SP2).

Support for Windows Vista without any service packs ended on April 13, 2010. To continue support, make sure you’ve installed Windows Vista SP2.

Support for Windows XP SP2 ended on July 13, 2010. To continue support, make sure you’ve installed Windows XP Service Pack 3 (SP3).

How do I stay protected?
To stay protected after support ends, you have two options:

Upgrade your current PC
Very few older computers will be able to run Windows 8.1, which is the latest version of Windows. We recommend that you download and run the Windows Upgrade Assistant to check if your PC meets the system requirements for Windows 8.1 and then follow the steps in the tutorial to upgrade if your PC is able. For more detailed information, read the FAQ…..
=> http://windows.microsoft.com/en-us/windows-8/upgrade-to-windows-8

Get a new PC

If your current PC can’t run Windows 8.1, it might be time to consider shopping for a new one. Be sure to explore our great selection of new PCs. They’re more powerful, lightweight, and stylish than ever before—and with an average price that’s considerably less expensive than the average PC was 10 years ago.

Find Your Perfect PC

http://www.microsoft.com/windows/en-us/xp/pcs-and-offers.aspx?ocid=XPEOS_O_WOL_NULL_NULL

How do I move all my Windows XP stuff to a new PC?

You can move your Windows XP stuff with Laplink, a free data migration solution that will walk you through all the steps to getting your files, setings, and user profiles from your Windows XP PC to your new Windows laptop, desktop, or tablet. (Note that you will need your Windows XP PC to migrate your data, and you can only migrate to a PC running Windows 7, Windows 8, or Windows 8.1.)

What do I get with Windows 8.1?

Windows 8.1 makes it easy to do all the things you’re used to doing with Windows XP while opening up a whole new world of possibilities for you to explore and enjoy.

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Filed Under: 2014 - KMSRAJ51 KI PEN SE ....., INTERNET & TECHNOLOGY, IT-Information Technology, MS-WINDOWS, Windows 7 Tagged With: kms, Kmsraj51, MS-Windows, Win XP Support, Windows, XP, XP - Support is end

Optimize PC: Fix Network Connection Problems in Windows 7

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Some portable computers have a wireless network adapter wherein the user can view a list of available wireless networks and then connect to one of that network. This network will appear if the computer has a wireless network adapter installed, if the adapter is turned on and the wireless access point is in range.
wireless-connection-problem

To view and connect to wireless networks in Windows 7:

Click the wireless network icon in the notification area of the taskbar.
Choose the desired network to connect to in the list of wireless networks and t hen click Connect.
Type the security key if connecting to a secure network and then click OK.

It is important to have a PC that works at its best to ensure tasks accomplishment and other errands everyday. However, if the PC is not functioning well, this will trigger a problem to the user. The user must make it a habit to check the computer daily since it can not be avoided that errors may arise anytime, whether caused by internal functions of the computer or from the outside environment. If a problem in the wireless network connection arises, just do the following steps to cure it.

EXAMINE THE HARDWARE

Usually, improperly connected hardware is the major cause of network connection problems. Check the network adapter switch, reset modem and check for problems with the network adapter. If a laptop is being used, se to it that the network adapter switch is turned on. There are numbers of laptop that has a physical switch somewhere on the front, side or top of the laptop that turns network adapter on or off. Usually, the laptop has an indicator light that tells whether the wireless network adapter is enabled or not. Check also the network adapter in the Device Manager and verify the status of the network adapter by doing the following steps:

=> Hit the Start button and type “device manager” in the search box.
=> Choose Device Manager in the resulting list. If the computer requires for an administrator password or confirmation, supply the necessary information to proceed with the process.
=> Double-click Network Adapter then right-click the network adapter.
=> Select properties and then under Device status, check if the device is working properly.
=> Select Enable Device to enable network adapter if it is disabled.

UTILIZE THE AUTOMATED TROUBLESHOOTER

To start with, use the Network troubleshooter and then test the internet connection. To open the Network troubleshooter, simply right-click the wireless network connection icon in the notification area of the taskbar then selects Troubleshoot problems.

UPDATE DRIVERS
Network adapter driver is an application used by the computer to communicate with the wireless network adapter. Network adapter drivers which are corrupted or obsolete prevent network connection to fail.

“Just execute these steps properly and the problem in wireless network connection will surely be resolved.”

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Note::-
यदि आपके पास Hindi “OR” English में कोई article, inspirational story, Poetry या जानकारी है जो आप हमारे साथ share करना चाहते हैं तो कृपया उसे अपनी फोटो के साथ E-mail करें. हमारी Id है::- kmsraj51@yahoo.in . पसंद आने पर हम उसे आपके नाम और फोटो के साथ यहाँ PUBLISH करेंगे. Thanks!!

HD - KMSRAJ51

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Filed Under: 2014 - KMSRAJ51 KI PEN SE ....., INTERNET & TECHNOLOGY, IT-Information Technology, Wi-Fi, Windows 7 Tagged With: Fix Network Connection Problems in Windows 7, kms, Kmsraj51, Network Connection Problems, Resolve Fix Network Connection Problems, Wireless Connectivity Problem

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