In Oracle, the describe command shows the metadata for a table in your SQL database. The equivalent command in Microsoft SQL Server 2005 (and 2008, probably) is sp_columns.
This error may be caused because of insufficient permissions to open the data source. Check the properties of the data source in the Reporting Services web interface.
If you have Reporting Services, SQL and IIS installed on the same server, you may receive an HTTP error 401 that says, "The request failed with HTTP status 401: Unauthorized." The solution is to "Disa
If Visual Studio will not deploy your report to the Windows Server, and you have not deployed to it before, check the security (SSL) settings for the server.