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Could not connect to the database during installation -


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I`ve googled, searched this forum and tried everything, I cant get WHMCS installed.....Sigh....


I have created a website on my server using Plesk 11, renamed configuration file and installed the pre-checks during the installation is fine.


I get the following error after entering my database credentials:

Could not connect to the database - check the database connection details you entered and go back and correct them if necessary


I`ve re-re-checked database settings, disabled firewall, opened ports 3306(MYSQL) and testet with at joomla installation which works. Furthermore I´ve checked file permissions. they are set to 777 (the folders and files in the documentation))

My mysql server service is running.

But WHMCS wont install.....


I am using:

windows server 2008

Plesk control panel 11


Can anyone please help me?

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Since WHMCS isn't replying to my support ticket, I'm gonna sum up what I've tried:



re-re-checked database setting - OK(even tested with Adminer)

Installed Joomla (SUCCESS)

disabled firewall

opned ports 3306

file permissions /777

Restarted server serveral times

Changed my.cnf (default database enigene to MyISAM)

enabled Short tags in php

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