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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:33:50 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:33:50 +0000
commitfe39ffb8b90ae4e002ed73fe98617cd590abb467 (patch)
treeb80e5956907d8aeaaffe4e4f0c068c0e6157ce8b /docs/manual/platform/windows.html.en
parentInitial commit. (diff)
downloadapache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.tar.xz
apache2-fe39ffb8b90ae4e002ed73fe98617cd590abb467.zip
Adding upstream version 2.4.56.upstream/2.4.56
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en"><head>
+<meta content="text/html; charset=UTF-8" http-equiv="Content-Type" />
+<!--
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ This file is generated from xml source: DO NOT EDIT
+ XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
+ -->
+<title>Using Apache HTTP Server on Microsoft Windows - Apache HTTP Server Version 2.4</title>
+<link href="../style/css/manual.css" rel="stylesheet" media="all" type="text/css" title="Main stylesheet" />
+<link href="../style/css/manual-loose-100pc.css" rel="alternate stylesheet" media="all" type="text/css" title="No Sidebar - Default font size" />
+<link href="../style/css/manual-print.css" rel="stylesheet" media="print" type="text/css" /><link rel="stylesheet" type="text/css" href="../style/css/prettify.css" />
+<script src="../style/scripts/prettify.min.js" type="text/javascript">
+</script>
+
+<link href="../images/favicon.ico" rel="shortcut icon" /></head>
+<body id="manual-page"><div id="page-header">
+<p class="menu"><a href="../mod/">Modules</a> | <a href="../mod/directives.html">Directives</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">Glossary</a> | <a href="../sitemap.html">Sitemap</a></p>
+<p class="apache">Apache HTTP Server Version 2.4</p>
+<img alt="" src="../images/feather.png" /></div>
+<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="../images/left.gif" /></a></div>
+<div id="path">
+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.4</a> &gt; <a href="./">Platform Specific Notes</a></div><div id="page-content"><div id="preamble"><h1>Using Apache HTTP Server on Microsoft Windows</h1>
+<div class="toplang">
+<p><span>Available Languages: </span><a href="../en/platform/windows.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../fr/platform/windows.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
+<a href="../ko/platform/windows.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
+</div>
+
+ <p>This document explains how to install, configure and run
+ Apache 2.4 under Microsoft Windows. If you have questions after
+ reviewing the documentation (and any event and error logs), you
+ should consult the peer-supported
+ <a href="http://httpd.apache.org/userslist.html">users' mailing
+ list</a>.</p>
+
+ <p>This document assumes that you are installing a binary
+ distribution of Apache. If you want to compile Apache yourself
+ (possibly to help with development or tracking down bugs),
+ see <a href="win_compiling.html">Compiling Apache for Microsoft
+ Windows</a>.</p>
+ </div>
+<div id="quickview"><a href="https://www.apache.org/foundation/contributing.html" class="badge"><img src="https://www.apache.org/images/SupportApache-small.png" alt="Support Apache!" /></a><ul id="toc"><li><img alt="" src="../images/down.gif" /> <a href="#req">Operating System Requirements</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#down">Downloading Apache for Windows</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cust">Customizing Apache for Windows</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#winsvc">Running Apache as a Service</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#wincons">Running Apache as a Console Application</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#test">Testing the Installation</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#windrivemap">Configuring Access to Network Resources</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#tuning">Windows Tuning</a></li>
+</ul><h3>See also</h3><ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="req" id="req">Operating System Requirements</a></h2>
+
+
+ <p>The primary Windows platform for running Apache 2.4 is Windows
+ 2000 or later. Always obtain and
+ install the current service pack to avoid operating system bugs.</p>
+
+ <div class="note">Apache HTTP Server versions later than 2.2 will not run on any
+ operating system earlier than Windows 2000.</div>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="down" id="down">Downloading Apache for Windows</a></h2>
+
+
+ <p>The Apache HTTP Server Project itself does not provide binary releases of
+ software, only source code. Individual committers <em>may</em> provide
+ binary packages as a convenience, but it is not a release deliverable.</p>
+ <p>If you cannot compile the Apache HTTP Server
+ yourself, you can obtain a binary package from numerous binary distributions
+ available on the Internet.</p>
+
+ <p>Popular options for deploying Apache httpd, and, optionally, PHP
+ and MySQL, on Microsoft Windows, include:</p>
+ <ul>
+ <li><a href="http://www.apachehaus.com/cgi-bin/download.plx">ApacheHaus</a></li>
+ <li><a href="http://www.apachelounge.com/download/">Apache Lounge</a></li>
+ <li><a href="http://bitnami.com/stack/wamp">Bitnami WAMP Stack</a></li>
+ <li><a href="http://www.wampserver.com/">WampServer</a></li>
+ <li><a href="http://www.apachefriends.org/en/xampp.html">XAMPP</a></li>
+ </ul>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="cust" id="cust">Customizing Apache for Windows</a></h2>
+
+
+ <p>Apache is configured by the files in the <code>conf</code>
+ subdirectory. These are the same files used to configure the Unix
+ version, but there are a few different directives for Apache on
+ Windows. See the <a href="../mod/directives.html">directive index</a>
+ for all the available directives.</p>
+
+ <p>The main differences in Apache for Windows are:</p>
+ <ul>
+ <li><p>Because Apache for Windows is multithreaded, it does not
+ use a separate process for each request, as Apache can on Unix.
+ Instead there are usually only two Apache processes running: a
+ parent process, and a child which handles the requests. Within
+ the child process each request is handled by a separate thread.
+ </p>
+
+ <p>The process management directives are also different:</p>
+
+ <p><code class="directive"><a href="../mod/mpm_common.html#maxconnectionsperchild">MaxConnectionsPerChild</a></code>:
+ Like the Unix directive, this controls how many connections a single
+ child process will serve before exiting.
+ However, unlike on Unix, a replacement process is not instantly
+ available. Use the default <code>MaxConnectionsPerChild 0</code>,
+ unless instructed to change the behavior to overcome a memory leak
+ in third party modules or in-process applications.</p>
+
+ <div class="warning"><strong>Warning: The server configuration
+ file is reread when a new child process is started. If you have
+ modified <code>httpd.conf</code>, the new child may not start or
+ you may receive unexpected results.</strong></div>
+
+ <p><code class="directive"><a href="../mod/mpm_common.html#threadsperchild">ThreadsPerChild</a></code>:
+ This directive is new. It tells the server how many threads it
+ should use. This is the maximum number of connections the server
+ can handle at once, so be sure to set this number high enough for
+ your site if you get a lot of hits. The recommended default is
+ <code>ThreadsPerChild 150</code>, but this must be adjusted to
+ reflect the greatest anticipated number of simultaneous
+ connections to accept.</p></li>
+
+ <li><p>The directives that accept filenames as arguments must use
+ Windows filenames instead of Unix ones. However, because Apache
+ may interpret backslashes as an "escape character" sequence, you
+ should consistently use forward slashes in path names, not
+ backslashes.</p></li>
+
+ <li><p>While filenames are generally case-insensitive on
+ Windows, URLs are still treated internally as case-sensitive
+ before they are mapped to the filesystem. For example, the
+ <code class="directive"><a href="../mod/core.html#location">&lt;Location&gt;</a></code>,
+ <code class="directive"><a href="../mod/mod_alias.html#alias">Alias</a></code>, and <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code> directives all use
+ case-sensitive arguments. For this reason, it is particularly
+ important to use the <code class="directive"><a href="../mod/core.html#directory">&lt;Directory&gt;</a></code> directive when attempting
+ to limit access to content in the filesystem, since this
+ directive applies to any content in a directory, regardless of
+ how it is accessed. If you wish to assure that only lowercase
+ is used in URLs, you can use something like:</p>
+
+ <pre class="prettyprint lang-config">RewriteEngine On
+RewriteMap lowercase int:tolower
+RewriteCond "%{REQUEST_URI}" "[A-Z]"
+RewriteRule "(.*)" "${lowercase:$1}" [R,L]</pre>
+</li>
+
+ <li><p>When running, Apache needs write access only to the logs
+ directory and any configured cache directory tree. Due to the
+ issue of case insensitive and short 8.3 format names, Apache must
+ validate all path names given. This means that each directory
+ which Apache evaluates, from the drive root up to the directory
+ leaf, must have read, list and traverse directory permissions.
+ If Apache2.4 is installed at C:\Program Files, then the root
+ directory, Program Files and Apache2.4 must all be visible
+ to Apache.</p></li>
+
+ <li><p>Apache for Windows contains the ability to load modules at
+ runtime, without recompiling the server. If Apache is compiled
+ normally, it will install a number of optional modules in the
+ <code>\Apache2.4\modules</code> directory. To activate these or
+ other modules, the <code class="directive"><a href="../mod/mod_so.html#loadmodule">LoadModule</a></code>
+ directive must be used. For example, to activate the status
+ module, use the following (in addition to the status-activating
+ directives in <code>access.conf</code>):</p>
+
+ <pre class="prettyprint lang-config">LoadModule status_module "modules/mod_status.so"</pre>
+
+
+ <p>Information on <a href="../mod/mod_so.html#creating">creating
+ loadable modules</a> is also available.</p></li>
+
+ <li><p>Apache can also load ISAPI (Internet Server Application
+ Programming Interface) extensions such as those used by Microsoft
+ IIS and other Windows servers. <a href="../mod/mod_isapi.html">More
+ information is available</a>. Note that Apache <strong>cannot</strong>
+ load ISAPI Filters, and ISAPI Handlers with some Microsoft feature
+ extensions will not work.</p></li>
+
+ <li><p>When running CGI scripts, the method Apache uses to find
+ the interpreter for the script is configurable using the
+ <code class="directive"><a href="../mod/core.html#scriptinterpretersource">ScriptInterpreterSource</a></code>
+ directive.</p></li>
+
+ <li><p>Since it is often difficult to manage files with names
+ like <code>.htaccess</code> in Windows, you may find it useful to
+ change the name of this per-directory configuration file using
+ the <code class="directive"><a href="../mod/core.html#accessfilename">AccessFilename</a></code>
+ directive.</p></li>
+
+ <li><p>Any errors during Apache startup are logged into the
+ Windows event log when running on Windows NT. This mechanism
+ acts as a backup for those situations where Apache is not yet
+ prepared to use the <code>error.log</code> file. You can
+ review the Windows Application Event Log by using the Event Viewer,
+ e.g. Start - Settings - Control Panel - Administrative Tools
+ - Event Viewer.</p></li>
+ </ul>
+
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="winsvc" id="winsvc">Running Apache as a Service</a></h2>
+
+
+ <p>Apache comes with a utility called the Apache Service Monitor.
+ With it you can see and manage the state of all installed Apache
+ services on any machine on your network. To be able to manage an
+ Apache service with the monitor, you have to first install the
+ service (either automatically via the installation or manually).
+ </p>
+
+ <p>You can install Apache as a Windows NT service as follows from
+ the command prompt at the Apache <code>bin</code> subdirectory:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k install
+ </code></p></div>
+
+ <p>If you need to specify the name of the service you want to
+ install, use the following command. You have to do this if you
+ have several different service installations of Apache on your
+ computer. If you specify a name during the install, you have to
+ also specify it during any other -k operation.</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k install -n "MyServiceName"
+ </code></p></div>
+
+ <p>If you need to have specifically named configuration files for
+ different services, you must use this:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k install -n "MyServiceName" -f "c:\files\my.conf"
+ </code></p></div>
+
+ <p>If you use the first command without any special parameters except
+ <code>-k install</code>, the service will be called <code>Apache2.4</code>
+ and the configuration will be assumed to be <code>conf\httpd.conf</code>.
+ </p>
+
+ <p>Removing an Apache service is easy. Just use:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k uninstall
+ </code></p></div>
+
+ <p>The specific Apache service to be uninstalled can be specified by using:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k uninstall -n "MyServiceName"
+ </code></p></div>
+
+ <p>Normal starting, restarting and shutting down of an Apache
+ service is usually done via the Apache Service Monitor, by using
+ commands like <code>NET START Apache2.4</code> and <code>NET STOP
+ Apache2.4</code> or via normal Windows service management. Before
+ starting Apache as a service by any means, you should test the
+ service's configuration file by using:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -n "MyServiceName" -t
+ </code></p></div>
+
+ <p>You can control an Apache service by its command line switches,
+ too. To start an installed Apache service you'll use this:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k start -n "MyServiceName"
+ </code></p></div>
+
+ <p>To stop an Apache service via the command line switches, use
+ this:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k stop -n "MyServiceName"
+ </code></p></div>
+
+ <p>or</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k shutdown -n "MyServiceName"
+ </code></p></div>
+
+ <p>You can also restart a running service and force it to reread
+ its configuration file by using:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k restart -n "MyServiceName"
+ </code></p></div>
+
+ <p>By default, all Apache services are registered to run as the
+ system user (the <code>LocalSystem</code> account). The
+ <code>LocalSystem</code> account has no privileges to your network
+ via any Windows-secured mechanism, including the file system, named
+ pipes, DCOM, or secure RPC. It has, however, wide privileges locally.
+ </p>
+
+ <div class="warning"><strong>Never grant any network privileges to
+ the <code>LocalSystem</code> account! If you need Apache to be able
+ to access network resources, create a separate account for Apache as
+ noted below.</strong></div>
+
+ <p>It is recommended that users create a separate account for running
+ Apache service(s). If you have to access network resources via Apache,
+ this is required.</p>
+
+ <ol>
+ <li>Create a normal domain user account, and be sure to
+ memorize its password.</li>
+
+ <li>Grant the newly-created user a privilege of <code>Log on
+ as a service</code> and <code>Act as part of the operating
+ system</code>. On Windows NT 4.0 these privileges are granted via
+ User Manager for Domains, but on Windows 2000 and XP you probably
+ want to use Group Policy for propagating these settings. You can
+ also manually set these via the Local Security Policy MMC snap-in.
+ </li>
+
+ <li>Confirm that the created account is a member of the Users
+ group.</li>
+
+ <li>Grant the account read and execute (RX) rights to all document
+ and script folders (<code>htdocs</code> and <code>cgi-bin</code>
+ for example).</li>
+
+ <li>Grant the account change (RWXD) rights to the
+ Apache <code>logs</code> directory.</li>
+
+ <li>Grant the account read and execute (RX) rights to the
+ <code>httpd.exe</code> binary executable.</li>
+ </ol>
+
+ <div class="note">It is usually a good practice to grant the user the Apache
+ service runs as read and execute (RX) access to the whole Apache2.4
+ directory, except the <code>logs</code> subdirectory, where the
+ user has to have at least change (RWXD) rights.</div>
+
+ <p>If you allow the account to log in as a user and as a service,
+ then you can log on with that account and test that the account has
+ the privileges to execute the scripts, read the web pages, and that
+ you can start Apache in a console window. If this works, and you
+ have followed the steps above, Apache should execute as a service
+ with no problems.</p>
+
+ <div class="note"><strong>Error code 2186</strong> is a good indication that
+ you need to review the "Log On As" configuration for the service,
+ since Apache cannot access a required network resource. Also, pay
+ close attention to the privileges of the user Apache is
+ configured to run as.</div>
+
+ <p>When starting Apache as a service you may encounter an error
+ message from the Windows Service Control Manager. For example,
+ if you try to start Apache by using the Services applet in the
+ Windows Control Panel, you may get the following message:</p>
+
+ <div class="example"><p><code>
+ Could not start the Apache2.4 service on \\COMPUTER <br />
+ Error 1067; The process terminated unexpectedly.
+ </code></p></div>
+
+ <p>You will get this generic error if there is any problem with
+ starting the Apache service. In order to see what is really causing
+ the problem you should follow the instructions for Running Apache
+ for Windows from the Command Prompt.</p>
+
+ <p>If you are having problems with the service, it is suggested
+ you follow the instructions below to try starting httpd.exe from
+ a console window, and work out the errors before struggling to
+ start it as a service again.</p>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="wincons" id="wincons">Running Apache as a Console Application</a></h2>
+
+
+ <p>Running Apache as a service is usually the recommended way to
+ use it, but it is sometimes easier to work from the command line,
+ especially during initial configuration and testing.</p>
+
+ <p>To run Apache from the command line as a console application,
+ use the following command:</p>
+
+ <div class="example"><p><code>
+ httpd.exe
+ </code></p></div>
+
+ <p>Apache will execute, and will remain running until it is stopped
+ by pressing Control-C.</p>
+
+ <p>You can also run Apache via the shortcut Start Apache in Console
+ placed to <code>Start Menu --&gt; Programs --&gt; Apache HTTP Server
+ 2.4.xx --&gt; Control Apache Server</code> during the installation.
+ This will open a console window and start Apache inside it. If you
+ don't have Apache installed as a service, the window will remain
+ visible until you stop Apache by pressing Control-C in the console
+ window where Apache is running in. The server will exit in a few
+ seconds. However, if you do have Apache installed as a service, the
+ shortcut starts the service. If the Apache service is running
+ already, the shortcut doesn't do anything.</p>
+
+ <p>If Apache is running as a service, you can tell it to stop by opening another console
+ window and entering:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k shutdown
+ </code></p></div>
+
+ <p>Running as a service should be preferred over running in a
+ console window because this lets Apache end any current operations
+ and clean up gracefully.</p>
+
+ <p>But if the server is running in a console window, you can
+ only stop it by pressing Control-C in the same window.</p>
+
+ <p>You can also tell Apache to restart. This forces it to reread
+ the configuration file. Any operations in progress are allowed to
+ complete without interruption. To restart Apache, either press
+ Control-Break in the console window you used for starting Apache,
+ or enter</p>
+
+ <div class="example"><p><code>
+ httpd.exe -k restart
+ </code></p></div>
+
+ <p>if the server is running as a service.</p>
+
+ <div class="note">Note for people familiar with the Unix version of Apache:
+ these commands provide a Windows equivalent to <code>kill -TERM
+ <em>pid</em></code> and <code>kill -USR1 <em>pid</em></code>. The
+ command line option used, <code>-k</code>, was chosen as a reminder
+ of the <code>kill</code> command used on Unix.</div>
+
+ <p>If the Apache console window closes immediately or unexpectedly
+ after startup, open the Command Prompt from the Start Menu --&gt;
+ Programs. Change to the folder to which you installed Apache, type
+ the command <code>httpd.exe</code>, and read the error message. Then
+ change to the logs folder, and review the <code>error.log</code>
+ file for configuration mistakes. Assuming httpd was installed into
+ <code>C:\Program Files\Apache Software Foundation\Apache2.4\</code>,
+ you can do the following:</p>
+
+ <div class="example"><p><code>
+ c: <br />
+ cd "\Program Files\Apache Software Foundation\Apache2.4\bin" <br />
+ httpd.exe
+ </code></p></div>
+
+ <p>Then wait for Apache to stop, or press Control-C. Then enter the
+ following:</p>
+
+ <div class="example"><p><code>
+ cd ..\logs <br />
+ more &lt; error.log
+ </code></p></div>
+
+ <p>When working with Apache it is important to know how it will
+ find the configuration file. You can specify a configuration file
+ on the command line in two ways:</p>
+
+ <ul>
+ <li><p><code>-f</code> specifies an absolute or relative path to
+ a particular configuration file:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -f "c:\my server files\anotherconfig.conf"
+ </code></p></div>
+
+ <p>or</p>
+
+ <div class="example"><p><code>
+ httpd.exe -f files\anotherconfig.conf
+ </code></p></div></li>
+
+ <li><p><code>-n</code> specifies the installed Apache service
+ whose configuration file is to be used:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -n "MyServiceName"
+ </code></p></div>
+ </li>
+ </ul>
+
+ <p>In both of these cases, the proper
+ <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> should be set in
+ the configuration file.</p>
+
+ <p>If you don't specify a configuration file with <code>-f</code>
+ or <code>-n</code>, Apache will use the file name compiled into the
+ server, such as <code>conf\httpd.conf</code>. This built-in path
+ is relative to the installation directory. You can verify the compiled
+ file name from a value labelled as <code>SERVER_CONFIG_FILE</code> when
+ invoking Apache with the <code>-V</code> switch, like this:</p>
+
+ <div class="example"><p><code>
+ httpd.exe -V
+ </code></p></div>
+
+ <p>Apache will then try to determine its <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> by trying the following, in this order:</p>
+
+ <ol>
+ <li>A <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> directive
+ via the <code>-C</code> command line switch.</li>
+
+ <li>The <code>-d</code> switch on the command line.</li>
+
+ <li>Current working directory.</li>
+
+ <li>A registry entry which was created if you did a binary
+ installation.</li>
+
+ <li>The server root compiled into the server. This is <code>
+ /apache</code> by default, you can verify it by using <code>
+ httpd.exe -V</code> and looking for a value labelled as
+ <code>HTTPD_ROOT</code>.</li>
+ </ol>
+
+ <p>If you did not do a binary install, Apache will in some
+ scenarios complain about the missing registry key. This warning can
+ be ignored if the server was otherwise able to find its
+ configuration file.</p>
+
+ <p>The value of this key is the
+ <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> directory which
+ contains the <code>conf</code> subdirectory. When Apache starts it
+ reads the <code>httpd.conf</code> file from that directory. If
+ this file contains a <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code>
+ directive which contains a different directory from the one
+ obtained from the registry key above, Apache will forget the
+ registry key and use the directory from the configuration file. If
+ you copy the Apache directory or configuration files to a new
+ location it is vital that you update the
+ <code class="directive"><a href="../mod/core.html#serverroot">ServerRoot</a></code> directive in the
+ <code>httpd.conf</code> file to reflect the new location.</p>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="test" id="test">Testing the Installation</a></h2>
+
+
+ <p>After starting Apache (either in a console window or as a
+ service) it will be listening on port 80 (unless you changed the
+ <code class="directive"><a href="../mod/mpm_common.html#listen">Listen</a></code> directive in the
+ configuration files or installed Apache only for the current user).
+ To connect to the server and access the default page, launch a
+ browser and enter this URL:</p>
+
+ <div class="example"><p><code>
+ http://localhost/
+ </code></p></div>
+
+ <p>Apache should respond with a welcome page and you should see
+ "It Works!". If nothing happens or you get an error, look in the
+ <code>error.log</code> file in the <code>logs</code> subdirectory.
+ If your host is not connected to the net, or if you have serious
+ problems with your DNS (Domain Name Service) configuration, you
+ may have to use this URL:</p>
+
+ <div class="example"><p><code>
+ http://127.0.0.1/
+ </code></p></div>
+
+ <p>If you happen to be running Apache on an alternate port, you
+ need to explicitly put that in the URL:</p>
+
+ <div class="example"><p><code>
+ http://127.0.0.1:8080/
+ </code></p></div>
+
+ <p>Once your basic installation is working, you should configure it
+ properly by editing the files in the <code>conf</code> subdirectory.
+ Again, if you change the configuration of the Windows NT service
+ for Apache, first attempt to start it from the command line to
+ make sure that the service starts with no errors.</p>
+
+ <p>Because Apache <strong>cannot</strong> share the same port with
+ another TCP/IP application, you may need to stop, uninstall or reconfigure
+ certain other services before running Apache. These conflicting
+ services include other WWW servers, some firewall implementations,
+ and even some client applications (such as Skype) which will use port
+ 80 to attempt to bypass firewall issues.</p>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="windrivemap" id="windrivemap">Configuring Access to Network Resources</a></h2>
+
+
+ <p>Access to files over the network can be specified using two
+ mechanisms provided by Windows:</p>
+
+ <dl>
+ <dt>Mapped drive letters</dt>
+ <dd>e.g., <code>Alias "/images/" "Z:/"</code></dd>
+
+ <dt>UNC paths</dt>
+ <dd>e.g., <code>Alias "/images/" "//imagehost/www/images/"</code></dd>
+ </dl>
+
+ <p>Mapped drive letters allow the administrator to maintain the
+ mapping to a specific machine and path outside of the Apache httpd
+ configuration. However, these mappings are associated only with
+ interactive sessions and are not directly available to Apache httpd
+ when it is started as a service. <strong>Use only UNC paths for
+ network resources in httpd.conf</strong> so that the resources can
+ be accessed consistently regardless of how Apache httpd is started.
+ (Arcane and error prone procedures may work around the restriction
+ on mapped drive letters, but this is not recommended.)</p>
+
+ <div class="example"><h3>Example DocumentRoot with UNC path</h3><pre class="prettyprint lang-config">DocumentRoot "//dochost/www/html/"</pre>
+</div>
+
+ <div class="example"><h3>Example DocumentRoot with IP address in UNC path</h3><pre class="prettyprint lang-config">DocumentRoot "//192.168.1.50/docs/"</pre>
+</div>
+
+ <div class="example"><h3>Example Alias and corresponding Directory with UNC path</h3><pre class="prettyprint lang-config">Alias "/images/" "//imagehost/www/images/"
+
+&lt;Directory "//imagehost/www/images/"&gt;
+#...
+&lt;/Directory&gt;</pre>
+</div>
+
+ <p>When running Apache httpd as a service, you must create a
+ separate account in order to access network resources, as described
+ above.</p>
+ </div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="section">
+<h2><a name="tuning" id="tuning">Windows Tuning</a></h2>
+
+ <ul>
+ <li><p>If more than a few dozen piped loggers are used on an operating system
+ instance, scaling up the "desktop heap" is often necessary. For
+ more detailed information, refer to the <a href="../logs.html#piped">piped logging</a> documentation.</p></li>
+ </ul>
+ </div></div>
+<div class="bottomlang">
+<p><span>Available Languages: </span><a href="../en/platform/windows.html" title="English">&nbsp;en&nbsp;</a> |
+<a href="../fr/platform/windows.html" hreflang="fr" rel="alternate" title="Français">&nbsp;fr&nbsp;</a> |
+<a href="../ko/platform/windows.html" hreflang="ko" rel="alternate" title="Korean">&nbsp;ko&nbsp;</a></p>
+</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our <a href="https://httpd.apache.org/lists.html">mailing lists</a>.</div>
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