Login failed for user 'someone'

I work on Microsoft SQL Server 2008 R1 and visual studio 2010. My target is to clone a server to a new machine. However, after setting the application up and entering "local/storytelling" in the browser's URL, the error msg appears. After google the possible mistake, I have set the authentication mode form "Windows Authentication mode" to "SQL Server and Windows Authentication mode". But the error remains... And I have no more idea now.

Here is the error msg:

[SqlException (0x80131904): Login failed for user 'storytelling'.] System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) +4846887 System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) +194 System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) +2392 System.Data.SqlClient.SqlInternalConnectionTds.CompleteLogin(Boolean enlistOK) +35 System.Data.SqlClient.SqlInternalConnectionTds.AttemptOneLogin(ServerInfo serverInfo, String newPassword, Boolean ignoreSniOpenTimeout, Int64 timerExpire, SqlConnection owningObject) +144 System.Data.SqlClient.SqlInternalConnectionTds.LoginNoFailover(String host, String newPassword, Boolean redirectedUserInstance, SqlConnection owningObject, SqlConnectionString connectionOptions, Int64 timerStart) +342 System.Data.SqlClient.SqlInternalConnectionTds.OpenLoginEnlist(SqlConnection owningObject, SqlConnectionString connectionOptions, String newPassword, Boolean redirectedUserInstance) +221 System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, Object providerInfo, String newPassword, SqlConnection owningObject, Boolean redirectedUserInstance) +189 System.Data.SqlClient.SqlConnectionFactory.CreateConnection(DbConnectionOptions options, Object poolGroupProviderInfo, DbConnectionPool pool, DbConnection owningConnection) +185 System.Data.ProviderBase.DbConnectionFactory.CreatePooledConnection(DbConnection owningConnection, DbConnectionPool pool, DbConnectionOptions options) +31 System.Data.ProviderBase.DbConnectionPool.CreateObject(DbConnection owningObject) +433 System.Data.ProviderBase.DbConnectionPool.UserCreateRequest(DbConnection owningObject) +66 System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +499 System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +65 System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +117 System.Data.SqlClient.SqlConnection.Open() +122 _Default.Page_Load(Object sender, EventArgs e) in D:\storytelling\Default.aspx.vb:21 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627

I don't know what's the problem to the code:(Source file: "Default.aspx.vb")

Partial Class _Default
    Inherits System.Web.UI.Page

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs)                      Handles Me.Load
    Dim conn As New SqlConnection(ConfigurationManager.ConnectionStrings("StoryTelling2ConnectionString").ConnectionString)       
Dim cmmd As New SqlCommand   
Dim strSQL As String

The error log highlight conn.Open() in red color. I guess it's probably I lost some steps as I cloned the server. But I have no idea what steps I ignored. Please provide some suggestion. Thanks.


I finally know what happened. Sorry for the poor representation of my problem. I take reference to this and this, finding out that the windows server 2008 has installed an SQL Express edition for me. Nevertheless, I don't know at all, so I install another SQL Server. In this condition. I have two SQL server edition, and according to the thread MSDN FORUM, the log in to the different server is quite different in the "Server Name" input.

In short, my connection string is always incompatible with the "Server Name" input, and thus the log in process always failed.

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