We have recently updated all of our System Center products to 2012 R2. Everything appears to be running quit well. We have noticed a lot of errors in the Operational log in Event Viewer. They all read as follows. Some searching seems to point to an issue with a WCF service
----------------------------------------------------------------------- Error Report -------------------
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Error report created 12/16/2013 6:13:51 AM
CLR is not terminating
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--------------- Bucketing Parameters ---------------
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EventType=VMM20
P1(appName)=vmmservice.exe
P2(appVersion)=3.2.7510.0
P3(assemblyName)=System.ServiceModel.dll
P4(assemblyVer)=4.0.30319.17929
P5(methodName)=System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposedOrNotOpen
P6(exceptionType)=System.ObjectDisposedException
P7(callstackHash)=9673
SCVMM Version=3.2.7510.0
SCVMM flavor=C-buddy-RTL-AMD64
Default Assembly Version=3.2.7510.0
Executable Name=vmmservice.exe
Executable Version=3.2.7510.0
Base Exception Target Site=8769033369440
Base Exception Assembly name=System.ServiceModel.dll
Base Exception Method Name=System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposedOrNotOpen
Exception Message=Cannot access a disposed object.
Object name: 'System.ServiceModel.Channels.ServerSessionPreambleConnectionReader+ServerFramingDuplexSessionChannel'.
EIP=0x000007f9c33789cc
Build bit-size=64
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------------ exceptionObject.ToString() ------------
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System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'System.ServiceModel.Channels.ServerSessionPreambleConnectionReader+ServerFramingDuplexSessionChannel'.
at System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposedOrNotOpen()
at System.ServiceModel.Channels.OutputChannel.Send(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestContextBase.Reply(Message message, TimeSpan timeout)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Reply(MessageRpc& rpc)
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--------------- exception.StackTrace ---------------
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at System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposedOrNotOpen()
at System.ServiceModel.Channels.OutputChannel.Send(Message message, TimeSpan timeout)
at System.ServiceModel.Channels.RequestContextBase.Reply(Message message, TimeSpan timeout)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Reply(MessageRpc& rpc)
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------------- StackTrace from handler --------------
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This is the call stack from where the exception was caught, not where it was thrown.
at Microsoft.VirtualManager.Utils.Diagnostics.WatsonReport.WriteReportTextFile(TextWriter reportFile)
at Microsoft.VirtualManager.Utils.Diagnostics.WatsonReport.Send()
at Microsoft.VirtualManager.Utils.Diagnostics.WatsonExceptionReport.Send()
at Microsoft.VirtualManager.Utils.Diagnostics.WatsonCenter.ReportException(Exception e, WERReportOptions options, String& localReportPath)
at Microsoft.VirtualManager.Engine.Remoting.ClientConnection.HandleError(Exception error)
at System.ServiceModel.Dispatcher.ErrorBehavior.HandleErrorCommon(Exception error, ErrorHandlerFaultInfo& faultInfo)
at System.ServiceModel.Dispatcher.ErrorBehavior.HandleError(Exception error)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.Reply(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage9(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage8(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage31(MessageRpc& rpc)
at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)
at System.ServiceModel.Dispatcher.ChannelHandler.DispatchAndReleasePump(RequestContext request, Boolean cleanThread, OperationContext currentOperationContext)
at System.ServiceModel.Dispatcher.ChannelHandler.HandleRequest(RequestContext request, OperationContext currentOperationContext)
at System.ServiceModel.Dispatcher.ChannelHandler.AsyncMessagePump(IAsyncResult result)
at System.Runtime.Fx.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
at System.Runtime.AsyncResult.Complete(Boolean completedSynchronously)
at System.ServiceModel.Channels.TransportDuplexSessionChannel.TryReceiveAsyncResult.OnReceive(IAsyncResult result)
at System.Runtime.Fx.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
at System.Runtime.AsyncResult.Complete(Boolean completedSynchronously)
at System.ServiceModel.Channels.SynchronizedMessageSource.ReceiveAsyncResult.OnReceiveComplete(Object state)
at System.ServiceModel.Channels.SessionConnectionReader.OnAsyncReadComplete(Object state)
at System.Runtime.Fx.AsyncThunk.UnhandledExceptionFrame(IAsyncResult result)
at System.Net.LazyAsyncResult.Complete(IntPtr userToken)
at System.Net.Security.NegotiateStream.ProcessFrameBody(Int32 readBytes, Byte[] buffer, Int32 offset, Int32 count, AsyncProtocolRequest asyncRequest)
at System.Net.Security.NegotiateStream.ReadCallback(AsyncProtocolRequest asyncRequest)
at System.Net.FixedSizeReader.CheckCompletionBeforeNextRead(Int32 bytes)
at System.Net.FixedSizeReader.ReadCallback(IAsyncResult transportResult)
at System.Runtime.AsyncResult.Complete(Boolean completedSynchronously)
at System.ServiceModel.Channels.ConnectionStream.IOAsyncResult.OnAsyncIOComplete(Object state)
at System.ServiceModel.Channels.SocketConnection.OnReceiveAsync(Object sender, SocketAsyncEventArgs eventArgs)
at System.Net.Sockets.SocketAsyncEventArgs.FinishOperationSuccess(SocketError socketError, Int32 bytesTransferred, SocketFlags flags)
at System.Net.Sockets.SocketAsyncEventArgs.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)