Ms Sql Server Ee: An Error Has Occurred While Establishing

Установил только что Microsoft SQL Server 2005 Enterprise Edition, при запуске и попытке приконнектится выдает сообщение:
---------------------------
TITLE: Connect to Server
------------------------------
Cannot connect to localhost.
------------------------------
ADDITIONAL INFORMATION:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Instance Specified) (Microsoft SQL Server, Error: -1)

For help, click: http://go.microsoft.com/fwlink?ProdName=Mi...mp;LinkId=20476

Что делать?