We receive a burst of message on driver with the following message (we reviewed the network connection between server and client and it works fine):

Event Type: Error
Event Source: FligBookingEngine
Event Category: None
Event ID: 0
Date: 11/02/2013
Time: 9:17:46
User: N/A
Computer: LOG-20
Description:
2013-02-11 08:17:46.6180|"Critical"|"STATISTICS"|"Exception in Statistics MongoDB provider SaveToDatabase. LoB: 'Flights'; App: 'BookingEngine'; Collection: 'Statistics_FlightsBookingEngine'; Statement: 'sqlCommand'.Unable to connect to a member of the replica set matching the read preference Primary: Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host... at MongoDB.Driver.Internal.MultipleInstanceMongoServerProxy.ThrowConnectionException(ReadPreference readPreference) at MongoDB.Driver.Internal.MultipleInstanceMongoServerProxy.Connect(TimeSpan timeout, ReadPreference readPreference) at MongoDB.Driver.Internal.MultipleInstanceMongoServerProxy.ChooseServerInstance(ReadPreference readPreference) at MongoDB.Driver.MongoServer.AcquireConnection(MongoDatabase database, ReadPreference readPreference) at MongoDB.Driver.MongoCollection.InsertBatch(Type nominalType, IEnumerable documents, MongoInsertOptions options) at MongoDB.Driver.MongoCollection.Insert(Type nominalType, Object document, MongoInsertOptions options) at Toolfactory.Database.MongoDB.DB.Insert[T](String connectionString, String database, String collectionName, T item) at Toolfactory.Audit.Statistics.MongoDBProvider`1.saveToDatabase(String collectionName, TStatistics statisticsData)"|"00000000-0000-0000-0000-000000000000"|"[NO FLOW]"|"[NO PROCESS POINT]"||

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