Unable to install WooCommerce plugin in Wordpress: HTTP Error 500.0 - Internal Server Error

Created:

2017-01-24 00:03:09 UTC

Modified:

2017-08-21 16:12:20 UTC

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Unable to install WooCommerce plugin in Wordpress: HTTP Error 500.0 - Internal Server Error

Symptoms

Unable to install WooCommerce plugin in Wordpress with one of the following errors:

Installation failed: Could not copy file. woocommerce/dummy-data/dummy-variations.csv
Installation failed: 
<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
IIS 8.5 Detailed Error - 500.0 - Internal Server Error
<!-- body{margin:0;font-size:.7em;font-family:Verdana,Arial,Helvetica,sans-serif;}
code{margin:0;color:#006600;font-size:1.1em;font-weight:bold;}
.config_source code{font-size:.8em;color:#000000;}
pre{margin:0;font-size:1.4em;word-wrap:break-word;}
ul,ol{margin:10px 0 10px 5px;} ul.first,ol.first{margin-top:5px;}
fieldset{padding:0 15px 10px 15px;word-break:break-all;}
.summary-container fieldset{padding-bottom:5px;margin-top:4px;}
legend.no-expand-all{padding:2px 15px 4px 10px;margin:0 0 0 -12px;}
legend{color:#333333;;margin:4px 0 8px -12px;_margin-top:0px; font-weight:bold;font-size:1em;}
a:link,a:visited{color:#007EFF;font-weight:bold;} a:hover{text-decoration:none;}
h1{font-size:2.4em;margin:0;color:#FFF;} h2{font-size:1.7em;margin:0;color:#CC0000;}
h3{font-size:1.4em;margin:10px 0 0 0;color:#CC0000;} h4{font-size:1.2em;margin:10px 0 5px 0; }
#header{width:96%;margin:0 0 0 0;padding:6px 2% 6px 2%;font-family:"trebuchet MS",Verdana,sans-serif; color:#FFF;background-color:#5C87B2; }
#content{margin:0 0 0 2%;position:relative;}
.summary-container,.content-container
{background:#FFF;width:96%;margin-top:8px;padding:10px;position:relative;}
.content-container p{margin:0 0 10px 0; }#details-left{width:35%;float:left;margin-right:2%; }
#details-right{width:63%;float:left;overflow:hidden; }
#server_version{width:96%;_height:1px;min-height:1px;margin:0 0 5px 0;padding:11px 2% 8px 2%;color:#FFFFFF; background-color:#5A7FA5;border-bottom:1px solid #C1CFDD;border-top:1px solid #4A6C8E;font-weight:normal; font-size:1em;color:#FFF;text-align:right; }
#server_version p{margin:5px 0;} table{margin:4px 0 4px 0;width:100%;border:none;}
td,th{vertical-align:top;padding:3px 0;text-align:left;font-weight:normal;border:none;}
th{width:30%;text-align:right;padding-right:2%;font-weight:bold;} thead th{background-color:
#ebebeb;width:25%; }#details-right th{width:20%;} table tr.alt td,table tr.alt th{}
.highlight-code{color:#CC0000;font-weight:bold;font-style:italic;} .clear{clear:both;}
.preferred{padding:0 5px 2px 5px;font-weight:normal;background:#006633;color:#FFF;font-size:.8em;}
--> HTTP Error 500.0 - Internal Server Error C:\Program Files (x86)\Parallels\Plesk\Additional\PleskPHP54\php-cgi.exe - The FastCGI process exceeded configured request timeout Most likely causes:
IIS received the request; however, an internal error occurred during the processing of the request.
The root cause of this error depends on which module handles the request and what was happening in the worker process when this error occurred.
IIS was not able to access the web.config file for the Web site or application.
This can occur if the NTFS permissions are set incorrectly. IIS was not able to process configuration for the Web site or application.
The authenticated user does not have permission to use this DLL.
The request is mapped to a managed handler but the .NET Extensibility Feature is not installed.
Things you can try: Ensure that the NTFS permissions for the web.config file are correct and allow access to the Web server's machine account.
Check the event logs to see if any additional information was logged. Verify the permissions for the DLL.
Install the .NET Extensibility feature if the request is mapped to a managed handler.
Create a tracing rule to track failed requests for this HTTP status code.
For more information about creating a tracing rule for failed requests, click here.
Detailed Error Information:
Module&nbsp;&nbsp;&nbsp;FastCgiModule Notification&nbsp;&nbsp;&nbsp;ExecuteRequestHandler Handler&nbsp;&nbsp;&nbsp;PHP-php Error Code&nbsp;&nbsp;&nbsp;0x80070102 Requested URL&nbsp;&nbsp;&nbsp;http://domain.com:80/wp-admin/admin-ajax.php
Physical Path&nbsp;&nbsp;&nbsp;C:\Inetpub\vhosts\domain.com\httpdocs\wp-admin\admin-ajax.php Logon Method&nbsp;&nbsp;&nbsp;Anonymous Logon User&nbsp;&nbsp;&nbsp;Anonymous More Information:
This error means that there was a problem while processing the request.
The request was received by the Web server, but during processing a fatal error occurred, causing the 500 error.
View more information &raquo; Microsoft Knowledge Base Articles: 294807

Cause

PHP requirements for the plugin are not met

Resolution

Tune PHP settings for a domain according to plugin requirements:

1. Go to "Website & Domains > PHP Settings"
2. Scroll down to the "FastCGI settings"
3. Switch "Enable FastCGI settings" to "on"
4. Increase activityTimeout to 80
5. Click to "OK" button

Note that depending on an error message, another limit may need to be adjusted: requestTimeout. The default value for activityTimeout is 70. The default value for requestTimeout is 90. These are taken from IIS default values. To learn more about those limits, visit:
https://www.iis.net/configreference/system.webserver/fastcgi/application

You may set the required FastCGI Settings limits on a service plan level in PHP Settings menu.

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