As for now (September 2014), 1&1 still use Mysql server 5.1.73.You can’t use Moodle 2.7 because it need Mysql server 5.5.31. First, you need to go to https://download.moodle.org/releases/supported/ and download the lastest 2.6 version of moodle. Decompress it on your htdocs directory and create a new directory at htdocs root : moodledata. Protect the moodledata …