Opsætning af Xoops

Jeg får denne fejl ved installation af Xoops. Nogle som kan hjælpe med dette

Windows 2003 Server
IIS 6
MySQL 5.0
PHP 4.4.1
xoops-2.2.3a-Final
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If you are the administrator of this site, please visit the Xoops Troubleshooting Page for assistance.

Helpful infomation you should provide while asking for assistance:

Error [Xoops]: Unable to connect to database in file D:\Inetpub\www\xoops\class\database\databasefactory.php line 34