[Win32Exception (0x80004005): Se superó el límite de nombre para la tarjeta de adaptador de red del equipo local]
[SqlException (0x80131904): Error relacionado con la red o específico de la instancia mientras se establecía una conexión con el servidor SQL Server. No se encontró el servidor o éste no estaba accesible. Compruebe que el nombre de la instancia es correcto y que SQL Server está configurado para admitir conexiones remotas. (provider: Named Pipes Provider, error: 40 - No se pudo abrir una conexión con SQL Server)]
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) +345
System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) +156
System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) +258
System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) +312
System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) +202
System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) +413
System.Data.SqlClient.SqlConnection.Open() +128
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +40
[EntityException: Error del proveedor subyacente en Open.]
System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure) +208
System.Data.EntityClient.EntityConnection.Open() +128
System.Data.Objects.ObjectContext.EnsureConnection() +83
System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption) +48
System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable<T>.GetEnumerator() +40
System.Linq.Enumerable.FirstOrDefault(IEnumerable`1 source) +126
Global.LogOn() in d:\Webs\LibreriaDelCentroEs\Global.asax.cs:469
Global.Session_Start(Object sender, EventArgs e) in d:\Webs\LibreriaDelCentroEs\Global.asax.cs:195
System.Web.SessionState.SessionStateModule.CompleteAcquireState() +364
System.Web.SessionState.SessionStateModule.BeginAcquireState(Object source, EventArgs e, AsyncCallback cb, Object extraData) +1226
System.Web.AsyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +625
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128
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