Source: Windows SharePoint Services 2.0
Event ID: 1000
#50070: Unable to connect to the database STS_Config on <server_name>\SharePoint. Check the database connection information and make sure that the database server is running.
This issue may occur when the SharePoint Timer Service tries to contact the configuration database when the computer starts or shuts down. By default, the configuration database in Windows SharePoint Services is named STS_config.
The error message that is mentioned in the "Symptoms" section does not affect the functionality of Windows SharePoint Services or of Windows Small Business Server 2003. If you can connect to the Windows SharePoint Services Web site successfully, you can safely ignore this error message.
To work around this issue, add the DependOnService registry entry to the following registry subkey on the server, and then set the DependOnService registry entry to MSSQL$SHAREPOINT: