admin/environment/php extension/xmlrpc

To install the xmlrpc library on Windows

1. Open the php.ini file found in the moodle/apache/bin folder
2. Find the line: ;extension=php_xmlrpc.dll
3. Remove the ; at the beginning of the line
4. Restart apache if necessary

To install the xmlrpc library on Linux/Unix

If you are using PHP as provided by the OS, you can just install the appropriate package, and restart apache:

• On Ubuntu and Debian, the command is: apt-get install php5-xmlrpc
• On RedHat, Fedora, CentOS and SuSE, the command is: yum install php-xmlrpc

If you compiled your PHP from source

1. You need to recompile PHP from source
2. add --with-xmlrpc to the command line when you run configure