Windows Azure Active Directory MA - Maximum number of items that can be serialized or deserialized in an object graph is '500000'. Change the object graph or increase the MaxItemsInObjectGraph quota.

Question

Trying to use WAAD with FIM 2010 R2 SP1 (4.1.3496.0) and during export several objects cause a warning/info with:
Maximum number of items that can be serialized or deserialized in an object graph is '500000'. Change the object graph or increase the MaxItemsInObjectGraph quota.
I looked, this appears hard coded into the MA, anyone know what causes this? My best guess is something like a large group membership? Does anyone know what the limits around the WAAD MA are?
Here is the indepth error logged during the failure:
ProvisioningServiceAdapter::ExecuteWithRetry: Action: Export, Attempt: 0, Exception: Microsoft.Online.Coexistence.ProvisionRetryException: Unable to communicate with the Windows Azure Active Directory service. Tracking ID: e94e6020-8434-4aa7-9a29-b2edf7fe6b2e
See the event log for more details. ---> System.ServiceModel.CommunicationException: There was an error while trying to serialize parameter http://schemas.microsoft.com/online/aws/change/2010/01:syncObjects. The InnerException message was 'Maximum number
of items that can be serialized or deserialized in an object graph is '500000'. Change the object graph or increase the MaxItemsInObjectGraph quota. '.  Please see InnerException for more details. ---> System.Runtime.Serialization.SerializationException:
Maximum number of items that can be serialized or deserialized in an object graph is '500000'. Change the object graph or increase the MaxItemsInObjectGraph quota.
   at System.Runtime.Serialization.XmlObjectSerializerContext.IncrementItemCount(Int32 count)
   at WriteArrayOfstringToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract )
   at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeAndVerifyType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, Boolean verifyKnownType, RuntimeTypeHandle declaredTypeHandle, Type declaredType)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithXsiType(XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle objectTypeHandle, Type objectType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, Type
declaredType)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerializeReference(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at WriteSyncObjectGroupToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , ClassDataContract )
   at System.Runtime.Serialization.ClassDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeAndVerifyType(DataContract dataContract, XmlWriterDelegator xmlWriter, Object obj, Boolean verifyKnownType, RuntimeTypeHandle declaredTypeHandle, Type declaredType)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.SerializeWithXsiType(XmlWriterDelegator xmlWriter, Object obj, RuntimeTypeHandle objectTypeHandle, Type objectType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle, Type
declaredType)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerialize(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at System.Runtime.Serialization.XmlObjectSerializerWriteContext.InternalSerializeReference(XmlWriterDelegator xmlWriter, Object obj, Boolean isDeclaredType, Boolean writeXsiType, Int32 declaredTypeID, RuntimeTypeHandle declaredTypeHandle)
   at WriteArrayOfSyncObjectToXml(XmlWriterDelegator , Object , XmlObjectSerializerWriteContext , CollectionDataContract )
   at System.Runtime.Serialization.CollectionDataContract.WriteXmlValue(XmlWriterDelegator xmlWriter, Object obj, XmlObjectSerializerWriteContext context)
   at System.Runtime.Serialization.DataContractSerializer.InternalWriteObjectContent(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver)
   at System.Runtime.Serialization.DataContractSerializer.InternalWriteObject(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver)
   at System.Runtime.Serialization.XmlObjectSerializer.WriteObjectHandleExceptions(XmlWriterDelegator writer, Object graph, DataContractResolver dataContractResolver)
   at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameterPart(XmlDictionaryWriter writer, PartInfo part, Object graph)
   --- End of inner exception stack trace ---
Server stack trace:
   at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameterPart(XmlDictionaryWriter writer, PartInfo part, Object graph)
   at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameter(XmlDictionaryWriter writer, PartInfo part, Object graph)
   at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeParameters(XmlDictionaryWriter writer, PartInfo[] parts, Object[] parameters)
   at System.ServiceModel.Dispatcher.DataContractSerializerOperationFormatter.SerializeBody(XmlDictionaryWriter writer, MessageVersion version, String action, MessageDescription messageDescription, Object returnValue, Object[] parameters, Boolean
isRequest)
   at System.ServiceModel.Dispatcher.OperationFormatter.OperationFormatterMessage.OperationFormatterBodyWriter.OnWriteBodyContents(XmlDictionaryWriter writer)
   at System.ServiceModel.Channels.Message.OnWriteMessage(XmlDictionaryWriter writer)
   at System.ServiceModel.Channels.BufferedMessageWriter.WriteMessage(Message message, BufferManager bufferManager, Int32 initialOffset, Int32 maxSizeQuota)
   at System.ServiceModel.Channels.BinaryMessageEncoderFactory.BinaryMessageEncoder.WriteMessage(Message message, Int32 maxMessageSize, BufferManager bufferManager, Int32 messageOffset)
   at System.ServiceModel.Channels.HttpOutput.SerializeBufferedMessage(Message message)
   at System.ServiceModel.Channels.HttpOutput.Send(TimeSpan timeout)
   at System.ServiceModel.Channels.HttpChannelFactory`1.HttpRequestChannel.HttpChannelRequest.SendRequest(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.RequestChannel.Request(Message message, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)
Exception rethrown at [0]:
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at Microsoft.Online.Coexistence.Schema.IProvisioningWebService.Provision(SyncObject[] syncObjects)
   at Microsoft.Online.Coexistence.ProvisionHelper.InvokeAwsAPI[T](Func`1 awsOperation, String opsLabel)
   --- End of inner exception stack trace ---
   at Microsoft.Online.Coexistence.ProvisionHelper.CommunicationExceptionHandler(CommunicationException ex)
   at Microsoft.Online.Coexistence.ProvisionHelper.InvokeAwsAPI[T](Func`1 awsOperation, String opsLabel)
   at Microsoft.Azure.ActiveDirectory.Connector.ProvisioningServiceAdapter.<>c__DisplayClass1.<Export>b__0()
   at Microsoft.Azure.ActiveDirectory.Connector.ProvisioningServiceAdapter.ExecuteWithRetry(String actionName, Action action).

Answer 1

Hi gdedshg,
>>Maximum number of items that can be serialized or deserialized in an object graph is '65536'. Change the object graph or increase the MaxItemsInObjectGraph quota
When meet the above exception, please try to do the following configuration:
On the server side:
Add the following to the server's config file:
<behaviors>
<serviceBehaviors>
<behavior name="MyServiceBehavior">
<dataContractSerializer
maxItemsInObjectGraph="2147483647" />
</behavior>
</serviceBehaviors>
</behaviors>
And reference it in the service using the following code:
<services>
<service
behaviorConfiguration="MyServiceBehavior"
name="serviceName">……
On the client side:
Add the following: 
<behaviors>
<endpointBehaviors>
<behavior name="MyClientbehavior">
<dataContractSerializer
maxItemsInObjectGraph="2147483647"/>
</behavior>
</endpointBehaviors>
</behaviors>
 And reference it in the endpoint using the following code:
<endpoint address="serviceAddress"
behaviorConfiguration="MyClientbehavior"
For more information, please try to refer to the following article:
http://blog.aggregatedintelligence.com/2011/01/wcf-maxitemsinobjectgraph-error.html .
Best Regards,
Amy Peng
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