Crystal report in windows server 2012 issue

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CrystalReports

Login failed incorrect login details error for crystal report for visual studio 2008 when hosting in windows server 2012. Its working fine in windows server 2003.
Code as follows:
Under page load
public void ViewReportCR()
{
ReportDocument reportDocument = new ReportDocument();
ParameterField paramField = new ParameterField();
ParameterFields paramFields = new ParameterFields();
ParameterDiscreteValue paramDiscreteValue = new ParameterDiscreteValue();

string conString = Common.GetConnectionStringsSection().ConnectionStrings["connectionStrings"].ConnectionString;
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(conString);



reportDocument.Load(Server.MapPath("~//Reports//CRSensorDataReport.rpt"));
ConnectionInfo connectionInfo = new ConnectionInfo( );
connectionInfo.ServerName =builder.DataSource;
connectionInfo.DatabaseName = builder.InitialCatalog;
connectionInfo.UserID = builder.UserID;
connectionInfo.Password = builder.Password;
connectionInfo.Type = ConnectionInfoType.SQL;
connectionInfo.IntegratedSecurity = false;

TableLogOnInfo rptTableLogOnInfo =new TableLogOnInfo( );
rptTableLogOnInfo.ConnectionInfo=connectionInfo;
for(int i=0;i<reportdocument.database.tables.count;i++)>
reportDocument.Database.Tables[i].ApplyLogOnInfo( rptTableLogOnInfo );

if (ddlSystemID.SelectedIndex != 0)
reportDocument.SetParameterValue("@ip_SystemID", ddlSystemID.SelectedValue);
else
reportDocument.SetParameterValue("@ip_SystemID", 0);
if (ddlSensorType.SelectedIndex != 0)
reportDocument.SetParameterValue("@ip_SensorType", ddlSensorType.SelectedValue);
else
reportDocument.SetParameterValue("@ip_SensorType", -1);
if (ddlParamName.SelectedIndex != 0)
reportDocument.SetParameterValue("@ip_ParamName", ddlParamName.SelectedValue);
else
reportDocument.SetParameterValue("@ip_ParamName", 0);
if (txtFromDate.Text != "")
reportDocument.SetParameterValue("@ip_FromDate", txtFromDate.Text);
else
reportDocument.SetParameterValue("@ip_FromDate", "");
if (txtToDate.Text != "")
reportDocument.SetParameterValue("@ip_ToDate", txtToDate.Text);
else
reportDocument.SetParameterValue("@ip_ToDate", "");

//if (ddlSystemID.SelectedIndex != 0 && txtFromDate.Text != "" && txtToDate.Text != "" && reportDocument.Rows.Count != 0)
//{



CrystalReportViewer1.ToolbarStyle.Width = new Unit("100%");
CrystalReportViewer1.ReportSource = reportDocument;



CrystalReportViewer1.Visible = true;
//}

}