Front End Can´t to replicatión Event Id: 4096

I have a error in Lync Server, the Front End can´t to replicate, some Idea??

Event Log Lync

Source: LS Web Components Server

Event Id: 4096

Task Category (1074)

An unhandled exception was encountered in Service service.

Exception Details. System.Exception: Invalid groupType attribute value in AD

   at Microsoft.LiveServer.DLExpansion.Service.ThrowSoapFault(Exception e)

   at Microsoft.LiveServer.DLExpansion.Service.GetGroupTypeValue(ResultPropertyCollection properties, String propertyName)

   at Microsoft.LiveServer.DLExpansion.Service.ProcessADRequest(OCSPrincipal user, String key, DlxGroup& result)

   at Microsoft.LiveServer.DLExpansion.Service.ExpandDistributionList(String groupMailAddress)

   at SyncInvokeExpandDistributionList(Object , Object[] , Object[] )

   at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)

   at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage4(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)

Cause: Application error. Please look through the exception details for more information.

Resolution: