A few days ago I got this error while trying to browse a cube from the Business Intelligence Development Studio:

The detailed error information told me that the connection failed, because the server actively refused it. Connecting from another pc worked perfectly, so it had to be a problem with my computer.

The detailed error information told me that the connection failed, because the server actively refused it. Connecting from another pc worked perfectly, so it had to be a problem with my computer.
To solve this problem I needed to reinstall the OWC Component (Microsoft Office 2003 Web Components)You can find the download here: http://www.microsoft.com/downloads/details.aspx?FamilyID=7287252c-402e-4f72-97a5-e0fd290d4b76&DisplayLang=en