Unable to connect to database

hi friends,

You receive a "Cannot connect to the configuration database" error message when you access your Windows SharePoint Services Web site

http://support.microsoft.com/kb/833183

You receive an "Unable to connect to database" error message when you install SharePoint Portal Server 2003 or Windows SharePoint Services

http://support.microsoft.com/kb/831105

Troubleshooting Server and Database Connection Problems

http://msdn.microsoft.com/en-us/library/ms156468.aspx