Friday, February 12, 2016

How To: Reset the Hosts file back to the default

copied from: https://support.microsoft.com/en-us/kb/972034
.

How can I reset the Hosts file back to the default?

Support for Windows XP has ended
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Support for Windows Server 2003 ended on July 14, 2015
Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.
Summary
This article helps you reset the Hosts file back to the default.

Windows 8.1 or Windows 8

To reset the Hosts file back to the default, follow these steps:
  1. Open Notepad. To do this, swipe in from the right edge of the screen, tap Search, typeNotepad, and then tap the Notepad icon. Or, if you are using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Search, type Notepad, and then clickNotepad.
  2. Copy the following text, and then paste the text into the file:
    # Copyright (c) 1993-2006 Microsoft Corp.
    #
    # This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
    #
    # This file contains the mappings of IP addresses to host names. Each
    # entry should be kept on an individual line. The IP address should
    # be placed in the first column followed by the corresponding host name.
    # The IP address and the host name should be separated by at least one
    # space.
    #
    # Additionally, comments (such as these) may be inserted on individual
    # lines or following the machine name denoted by a '#' symbol.
    #
    # For example:
    #
    #      102.54.94.97     rhino.acme.com          # source server
    #       38.25.63.10     x.acme.com              # x client host
    # localhost name resolution is handle within DNS itself.
    #       127.0.0.1       localhost
    #       ::1             localhost
  3. On the File menu, tap or click Save as, type "hosts" in the File name box (as displayed in the following image), and then save the file to the desktop.
    The screenshot for this step
  4. Close Notepad.
  5. Open the %WinDir%\System32\Drivers\Etc folder. To do this, follow these steps:
    1. Swipe in from the right edge of the screen, tap Search, type run, and then tap the Runicon. Or, if you are using a mouse, point to the upper-right corner of the screen, move the mouse pointer down, click Search, type run, and then click the Run icon.
    2. Type %WinDir%\System32\Drivers\Etc in the Open box, and then tap or click OK.
  6. Select the Hosts file, tap or click Renameand then rename the file as "Hosts.old".
  7. Copy or move the Hosts file that you created in step 3 to the %WinDir%\System32\Drivers\Etc folder. If you are prompted to enter an administrator password, tap or click Continue.

Windows 7 and earlier versions of Windows

To have us reset the Hosts file back to the default for you, go to the "Here's an easy fix" section. If you prefer to fix this problem manually, go to the "Let me fix it myself" section.

Here's an easy fix

To fix this problem automatically, click the Download button. In the File Download dialog box, clickRun or Open, and then follow the steps in the easy fix wizard.
  • This wizard may be in English only. However, the automatic fix also works for other language versions of Windows.
  • If you’re not on the computer that has the problem, save the easy fix solution to a flash drive or a CD, and then run it on the computer that has the problem.

Let me fix it myself

Easy fix 50267

To reset the Hosts file back to the default yourself, follow these steps:
  1. Click Start, click Run, type Notepad, and then click OK.
  2. Copy the following text to the file:
    For Windows 7
    # Copyright (c) 1993-2006 Microsoft Corp.
    #
    # This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
    #
    # This file contains the mappings of IP addresses to host names. Each
    # entry should be kept on an individual line. The IP address should
    # be placed in the first column followed by the corresponding host name.
    # The IP address and the host name should be separated by at least one
    # space.
    #
    # Additionally, comments (such as these) may be inserted on individual
    # lines or following the machine name denoted by a '#' symbol.
    #
    # For example:
    #
    #      102.54.94.97     rhino.acme.com          # source server
    #       38.25.63.10     x.acme.com              # x client host
    
    # localhost name resolution is handle within DNS itself.
    #       127.0.0.1       localhost
    #       ::1             localhost
    For Windows Vista or for Windows Server 2008
    # Copyright (c) 1993-2006 Microsoft Corp.
    #
    # This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
    #
    # This file contains the mappings of IP addresses to host names. Each
    # entry should be kept on an individual line. The IP address should
    # be placed in the first column followed by the corresponding host name.
    # The IP address and the host name should be separated by at least one
    # space.
    #
    # Additionally, comments (such as these) may be inserted on individual
    # lines or following the machine name denoted by a '#' symbol.
    #
    # For example:
    #
    #      102.54.94.97     rhino.acme.com          # source server
    #       38.25.63.10     x.acme.com              # x client host
    
    127.0.0.1       localhost
    ::1             localhost
    For Windows XP or for Windows Server 2003
    # Copyright (c) 1993-1999 Microsoft Corp.
    #
    # This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
    #
    # This file contains the mappings of IP addresses to host names. Each
    # entry should be kept on an individual line. The IP address should
    # be placed in the first column followed by the corresponding host name.
    # The IP address and the host name should be separated by at least one
    # space.
    #
    # Additionally, comments (such as these) may be inserted on individual
    # lines or following the machine name denoted by a '#' symbol.
    #
    # For example:
    #
    #      102.54.94.97     rhino.acme.com          # source server
    #       38.25.63.10     x.acme.com              # x client host
    
    127.0.0.1       localhost
  3. On the File menu, click Save as, type "hosts" in the File name box, and then save the file to the desktop.The screenshot for this step
  4. Click Start, click Run, type %WinDir%\System32\Drivers\Etc, and then click OK.
  5. Select the Hosts file, and rename it "Hosts.old."
  6. Copy or move the Hosts file that you created in step 3 to the %WinDir%\System32\Drivers\Etc folder. If you are prompted to enter an administrator password, click Continue.
Did this fix the problem?
Check whether the problem is fixed. If the problem is fixed, you are finished with this article. If the problem is not fixed, you can contact support.

What's the Hosts file

The Hosts file is a computer file that is used by the operating system to map hostnames to IP addresses. The hosts file is one of several system facilities that assists in addressing network nodes in a computer network. It is a common part of an operating system's IP implementation, and serves the function of translating human-friendly hostnames into numeric protocol addresses, called IP addresses, that identify and locate a host in an IP network.

The Hosts file contains lines of text consisting of an IP address in the first text field followed by one or more host names. Each field is separated by white space (Tabs are often preferred for historical reasons, but spaces are also used). Comment lines may be included, and they are indicated by a hash character (#) in the first position of such lines. Entirely blank lines in the file are ignored.
Properties
Article ID: 972034 - Last Review: 12/21/2015 06:43:00 - Revision: 13.0
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