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Direcciones de las oficinas EF

    • EF Language Learning Solutions
    • Rua Baluarte, 18,
      Vila Olímpia
      São Paulo - SP CEP: 04549 010
      Brasil
    • Teléfono +55 11 40851620
    • EF Language Learning Solutions

    • EF上海办公室
      上海市铜仁路258号
      九安大厦1楼（200040）

    • Teléfono 4006 321 006
    • EF Language Learning Solutions
    • Vester Farimagsgade 1, 5 sal
      1606 København V
    • Teléfono 33 12 22 42
    • EF Language Learning Solutions
    • Kalevankatu 44
      Helsinki 00180
    • Teléfono (09) 6869 23 11
    • Fax: 09-6869 2323
    • EF Language Learning Solutions
    • 5 avenue de Provence
      75009 Paris
      (M° Chaussée d’Antin)
      Ouvert du lundi au samedi, de 9h à 18h
    • Teléfono 01 42 61 50 22
    • Fax: 01 42 86 09 91
    • EF Language Learning Solutions
    • 67, rue Boileau
      (M° Foch)
      69006 Lyon
      Ouvert du lundi au vendredi, de 9h à 18h et le samedi de 9h à 17h.
    • Teléfono 04 72 69 54 50
    • Fax: 08 20 20 20 78
    • E-mail ef.lyon@ef.com
    • EF Language Learning Solutions
    • 27, rue de la République
      13002 Marseille
      Ouvert du lundi au vendredi, de 9h à 18h et le samedi de 9h à 17h.
    • Teléfono 04 96 17 06 80
    • Fax: 04 91 01 38 28
    • E-mail ef.marseille@ef.com
    • EF Language Learning Solutions
    • 8, Quai des Bateliers
      67000 Strasbourg
      Ouvert du lundi au vendredi, de 9h à 18h et le samedi de 9h à 17h.
    • Teléfono 03 88 16 16 05
    • Fax: 03 88 16 17 89
    • E-mail ef.strasbourg@ef.com
    • EF Language Learning Solutions
    • Königsallee 92a
      40212 Düsseldorf
    • Teléfono 0211 688 57 400
    • Fax: 0211 688 57 201
    • EF Language Learning Solutions
    • Herzogstr. 36
      80803 München
    • Teléfono 089-23 119 062
    • Fax: 089-23 11 90 19
    • EF Language Learning Solutions
    • An der Kreuzkirche 6
      01067 Dresden
    • Teléfono 0211 688 57 400
    • Fax: 0351-496 29 48
    • EF Language Learning Solutions
    • Via Borgogna 8
      20122 Milano
    • Teléfono 800 448 899
    • Fax: 02 782 733
    • EF Language Learning Solutions
    • Via Ludovisi 35/Scala A
      (angolo via Vittorio Veneto)
      Roma 00187
    • Teléfono 06 424541
    • Fax: 06 42904479
    • EF Language Learning Solutions
    • Via Garibaldi 5
      Torino 10122
    • Teléfono 011 539361
    • Fax: 011 541284
    • EF Language Learning Solutions
    • Galleria Ugo Bassi 1
      Bologna 40121
    • Teléfono 051 235 294
    • Fax: 05 123 5294
    • EF Language Learning Solutions
    • Jaime Balmes 8, Local 10
      Col. Polanco
      México D.F. 11550
    • Teléfono (55) 52 82 21 50
    • Fax: (55) 5282 2155
    • EF Language Learning Solutions
    • Gral. Manuel Lazcano # 89
      Esq. Altavista
      Col. San Ángel Inn
      México D.F. 01000
    • Teléfono (55) 33 30 08 95
    • EF Language Learning Solutions
    • De Boelelaan 7
      Amsterdam 1083 HJ
    • Teléfono 020-5745400
    • Fax: 020-5745610
    • EF Language Learning Solutions
    • Fridtjof Nansens plass 2
      Postboks 1334 Vika
      Oslo 0112
    • Teléfono 22 94 12 10
    • Fax: 22 94 12 12
    • EF Language Learning Solutions

    • Av Miguel Bombarda, 36 - 2ºF
      Lisboa 1050-165

    • Teléfono (351) 21 317 3470
    • Fax: (351) 21 316 1166
    • EF Language Learning Solutions

    • 191186, Невский, 25, 4 эт.

    • Teléfono +7 812 644 64 26
    • Fax: (812) 644-6425
    • EF Language Learning Solutions
    • 125047 Москва, Россия
      1-ая Брестская улица 15, 4 этаж.
    • Teléfono +74957876757
    • Fax: +74957876757 *293
    • E-mail education.russia@ef.com
    • EF Language Learning Solutions
    • Balmes 155-157
      Planta baja 
      08008 Barcelona
    • Teléfono 902 55 15 05
    • Fax: 934 15 44 11
    • EF Language Learning Solutions
    • María de Molina, 41
      28006
    • Teléfono 902 55 15 05
    • Fax: 914 351 314
    • EF Language Learning Solutions
    • Box 5761, Strandvägen 13B
      Stockholm 114 87
    • Teléfono +46 (8) 5879 30 20
    • Fax: 08 587 930 01
    • EF Language Learning Solutions
    • Bärengasse 25
      8001 Zürich
    • Teléfono 043 430 41 18
    • Fax: 043 430 41 00
    • EF Language Learning Solutions
    • Haldenstrasse 4
      Luzern 6006
      Switzerland
    • Teléfono +41 41 417 46 77
    • Fax: 041 417 45 01
    • EF Language Learning Solutions
    • 22 Chelsea Manor Street
      London SW3 5RL
    • Teléfono 0207 341 8777
    • Fax: +44 (0) 207 341 8788
    • EF Language Learning Solutions
    • Haldenstrasse 4
      Luzern 6006
      Switzerland
    • Teléfono +41 41 417 46 77
    • Fax: 041 417 45 01
    • EF Language Learning Solutions
    • US Admissions Office
      One Education St.
      Cambridge, MA 02141 USA
    • Teléfono +1 617 619 1000
    • Fax: +1 (617) 619 1701
    • EF Language Learning Solutions
    • Edf. "TORRE LA CASTELLANA"
      Av.Principal de la Urb. La Castellana cruce con la Calle José Ángel Lamas. 
      Locales 9,10 y 11, Planta Baja (Nivel Plaza)
      Caracas - Venezuela
    • Teléfono (58) 212 300.94.00
    • Fax: (58) 212 993.51.98
    • EF Language Learning Solutions
    • Urb. Virginia. Av. 3C
      Edf 3C. Local PB1
      Maracaibo
    • Teléfono 58 (261) 793.36.13
    • Fax: (58) 212 993.51.98

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A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Server Error in '/' Application.

A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 


[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
   System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +578
   System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +84
   System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +1649271
   System.Data.SqlClient.SqlConnection.Open() +258
   EF.Frameworks.Common.DataEF.SqlClientEF.SqlConnectionManager.EnsureConnection(SqlConnection conn, SqlConnectionStringBuilder cs, Boolean& opened_out) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\DataEF\SqlClientEF\SqlConnectionManager.vb:432
   EF.Frameworks.Common.DataEF.SqlClientEF.SqlConnectionManager.EnsureConnection(SqlConnection conn, IConfigurationContext cc, Boolean& opened_out) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\DataEF\SqlClientEF\SqlConnectionManager.vb:451

[EFException: Failed to open connection for context EFLanguage.EFCom.Zeus.Sessions.ZeusSessionModuleData. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
   EF.Frameworks.Common.DataEF.SqlClientEF.SqlConnectionManager.EnsureConnection(SqlConnection conn, IConfigurationContext cc, Boolean& opened_out) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\DataEF\SqlClientEF\SqlConnectionManager.vb:454
   EF.Frameworks.Common.DataEF.SqlClientEF.SqlConnectionManager.CommandExecuteBase(SqlCommand cmd, IConfigurationContext cc, CommandExecuteTypes executeType) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\DataEF\SqlClientEF\SqlConnectionManager.vb:498
   EF.Frameworks.Common.DataEF.SqlClientEF.SqlConnectionManager.ExecuteReader(SqlCommand cmd, IConfigurationContext context) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\DataEF\SqlClientEF\SqlConnectionManager.vb:349
   EF.Frameworks.Common.PersistenceEF.Bob4.Sql.SqlLoader`2.LoadStates(ISqlKey key, LoadContext lc) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\PersistenceEF\Bob4\Sql\SqlLoader.vb:54

[SqlLoadException: The ZeusSessionModuleData with parameter(s) SessionId = cc49f109-ea22-4033-b761-37816c3720d6, ModuleName = EFCountryCode could not be loaded. Failed to open connection for context EFLanguage.EFCom.Zeus.Sessions.ZeusSessionModuleData. A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
   EF.Frameworks.Common.PersistenceEF.Bob4.Sql.SqlLoader`2.LoadStates(ISqlKey key, LoadContext lc) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\PersistenceEF\Bob4\Sql\SqlLoader.vb:61
   EF.Frameworks.Common.PersistenceEF.Bob4.Sql.SqlLoader`2.LoadStates(IObjectKey key, LoadContext lc) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\PersistenceEF\Bob4\Sql\SqlLoader.vb:106
   EF.Frameworks.Common.PersistenceEF.Bob4.ObjectLoaderBase`2.LoadObjectRef(IUniqueObjectKey key, LoadContext lc) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\PersistenceEF\Bob4\ObjectLoaderBase.vb:31
   EF.Frameworks.Common.PersistenceEF.Bob4.ObjectLoaderBase`2.LoadObject(IUniqueObjectKey key) in C:\tfs\tfsapp\EF.Frameworks\Common\Code\Common\Common\PersistenceEF\Bob4\ObjectLoaderBase.vb:60
   EFLanguage.EFCom.Zeus.Sessions.ZeusSessionModuleDataPersistenceMgr.TryLoad(String sessionId, String moduleName, ZeusSessionModuleData& module_out) +78
   EFLanguage.EFCom.Zeus.Sessions.ZeusSession.GetModule(String name) +151
   EFLanguage.EFCom.Zeus.Contexts.PageContextModule.SaveContext(PageContext context, HttpContext httpContext) +189
   EFLanguage.EFCom.Zeus.Contexts.PageContextModule.OnEndRequest(Object sender, EventArgs e) +119
   EFLanguage.EFCom.Zeus.ZeusModule.Application_EndRequest(Object sender, EventArgs e) +238
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171

Version Information: Microsoft .NET Framework Version:2.0.50727.4206; ASP.NET Version:2.0.50727.4209