A connection was successfully established with the server, but then an error occurred during the pre-login handshake. (provider: TCP Provider, error: 0 - The specified network name is no longer available.)

The specified network name is no longer available

at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection) at System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.ProviderBase.DbConnectionClosed.TryOpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions) at System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry) at System.Data.SqlClient.SqlConnection.Open() at ProjectFlx.DB.DatabaseConnection.Open() at ProjectFlx.DB.DatabaseQuery.InitializeCommand() at ProjectFlx.DB.DatabaseQuery.Query(XmlNode Query) at ProjectFlx.DB.XObject.Query() at mso.BusinessObjects.Event._Lookup(EventLookupType LookupType, Int32 RefID, String Email, EventLookupStatus ActiveStatus) at mso.BusinessObjects.Event.Lookup(EventLookupType LookupType, Int32 RefID) at mso.Page_Base.getEventInfo(Int32 EventID) at mso.Pages.Event.PAGE_MAIN() at ProjectFlx.FlxMain.SITE_MAIN()