> I tried updating the ttl on the db and app server machines, with non luck.

> I also tried updating the driver's default values to these but still no
> help,

>  MongoDefaults.MaxConnectionIdleTime = TimeSpan.FromHours(1);
>  MongoDefaults.MaxConnectionLifeTime = TimeSpan.FromDays(1);
>  MongoDefaults.SocketTimeout = TimeSpan.FromSeconds(30);

> On Thursday, July 19, 2012 8:44:06 PM UTC-7, Keivan Beigi wrote:

>> Should I use
>> http://msdn.microsoft.com/en-us/library/system.net.servicepointmanage...
>> or http://technet.microsoft.com/en-us/library/cc957548.aspx?

>> On Thu, Jul 19, 2012 at 8:37 PM, sridhar <srid...@10gen.com> wrote:
>> > Have you looked into this

>> http://blogs.msdn.com/b/avkashchauhan/archive/2011/11/12/windows-azur....

>> > According to this post, it should already be fixed. One way to test if
>> this
>> > is your issue is to change the tcp keep alive and set it to something
>> like
>> > 30 seconds. More information on setting the tcp keep alive can be found
>> at
>> > http://technet.microsoft.com/en-us/library/cc957548.aspx. Note since
>> the
>> > keep alive is in milliseconds set it to 300,000. Do let us know if this
>> > helps.

>> > On Thursday, July 19, 2012 7:53:43 PM UTC-7, Keivan Beigi wrote:

>> >> It doesn't seem to be a specific call, it just fails randomly on
>> different
>> >> calls. it seems to be an intermittent connection issue.

>> >> On Thursday, July 19, 2012 4:55:51 PM UTC-7, craiggwilson wrote:

>> >>> I see that you are in a cursor.  How many documents are you pulling
>> back
>> >>> at a time and how long does it take to iterate through them?

>> >>> On Thursday, July 19, 2012 5:23:20 PM UTC-5, Keivan Beigi wrote:

>> >>>> We have a mongo replica set hosted on azure. every once in a while
>> the
>> >>>> connection to db fails and we get this error message.

>> >>>> is there a way to track this down and figure out what could be
>> causing
>> >>>> it? the error doesn't really say much beside the fact that
>> connection
>> >>>> failed.

>> >>>> System.IO.IOException: Unable to read data from the transport
>> >>>> connection: A connection attempt failed because the connected party
>> did not
>> >>>> properly respond after a period of time, or established connection
>> failed
>> >>>> because connected host has failed to respond. --->
>> >>>> System.Net.Sockets.SocketException: A connection attempt failed
>> because the
>> >>>> connected party did not properly respond after a period of time, or
>> >>>> established connection failed because connected host has failed to
>> respond
>> >>>>    at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset,
>> >>>> Int32 size, SocketFlags socketFlags)
>> >>>>    at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32
>> offset,
>> >>>> Int32 size)
>> >>>>    --- End of inner exception stack trace ---
>> >>>>    at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32
>> offset,
>> >>>> Int32 size)
>> >>>>    at MongoDB.Bson.IO.BsonBuffer.LoadFrom(Stream stream, Int32
>> count)
>> >>>>    at MongoDB.Bson.IO.BsonBuffer.LoadFrom(Stream stream)
>> >>>>    at

>> MongoDB.Driver.Internal.MongoConnection.ReceiveMessage[TDocument](BsonBinar yReaderSettings

>> >>>> readerSettings, IBsonSerializationOptions serializationOptions)
>> >>>>    at
>> MongoDB.Driver.MongoCursorEnumerator`1.GetReply(MongoConnection
>> >>>> connection, MongoRequestMessage message)
>> >>>>    at MongoDB.Driver.MongoCursorEnumerator`1.GetFirst()
>> >>>>    at MongoDB.Driver.MongoCursorEnumerator`1.MoveNext()

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