diff --git a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.h b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.h
index 0899dd2d2..ed8183dac 100644
--- a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.h
+++ b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.h
@@ -18,6 +18,7 @@
 #ifndef itkCombinationImageToImageMetric_h
 #define itkCombinationImageToImageMetric_h
 
+#include "itkTransformPenaltyTerm.h"
 #include "itkAdvancedImageToImageMetric.h"
 #include "itkSingleValuedPointSetToPointSetMetric.h"
 
@@ -135,6 +136,10 @@ class CombinationImageToImageMetric : public AdvancedImageToImageMetric<TFixedIm
   typedef typename MovingImageType::RegionType                             MovingImageRegionType;
   typedef FixedArray<double, itkGetStaticConstMacro(MovingImageDimension)> MovingImageDerivativeScalesType;
 
+  /** Typedef for transform penalty metrics. */
+  typedef TransformPenaltyTerm<TFixedImage>             TransformMetricType;
+  typedef typename TransformMetricType::Pointer         TransformMetricPointer;
+  
   /** Typedef for the PointSetMetric. */
   typedef PointSet<CoordinateRepresentationType,
                    TFixedImage::ImageDimension,
@@ -170,6 +175,9 @@ class CombinationImageToImageMetric : public AdvancedImageToImageMetric<TFixedIm
 
   /** Get the number of metrics to combine. */
   itkGetConstMacro(NumberOfMetrics, unsigned int);
+  itkGetConstMacro(NumberOfImageMetrics, unsigned int);
+  itkGetConstMacro(NumberOfTransformMetrics, unsigned int);
+  itkGetConstMacro(NumberOfPointSetMetrics, unsigned int);
 
   /** Set metric i. It may be a SingleValuedCostFunction, instead of
    * a ImageToImageMetric, but the first one should be an
@@ -447,6 +455,9 @@ class CombinationImageToImageMetric : public AdvancedImageToImageMetric<TFixedIm
 
   /** Store the metrics and the corresponding weights. */
   unsigned int                                 m_NumberOfMetrics;
+  unsigned int                                 m_NumberOfImageMetrics;
+  unsigned int                                 m_NumberOfTransformMetrics;
+  unsigned int                                 m_NumberOfPointSetMetrics;
   std::vector<SingleValuedCostFunctionPointer> m_Metrics;
   std::vector<double>                          m_MetricWeights;
   std::vector<double>                          m_MetricRelativeWeights;
diff --git a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.hxx b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.hxx
index c4884bdb1..8ea1c5b97 100644
--- a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.hxx
+++ b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkCombinationImageToImageMetric.hxx
@@ -145,6 +145,9 @@ template <class TFixedImage, class TMovingImage>
 CombinationImageToImageMetric<TFixedImage, TMovingImage>::CombinationImageToImageMetric()
 {
   this->m_NumberOfMetrics = 0;
+  this->m_NumberOfImageMetrics = 0;
+  this->m_NumberOfTransformMetrics = 0;
+  this->m_NumberOfPointSetMetrics = 0;
   this->m_UseRelativeWeights = false;
   this->ComputeGradientOff();
 
@@ -164,6 +167,9 @@ CombinationImageToImageMetric<TFixedImage, TMovingImage>::PrintSelf(std::ostream
 
   /** Add debugging information. */
   os << "NumberOfMetrics: " << this->m_NumberOfMetrics << std::endl;
+  os << "NumberOfImageMetrics: " << this->m_NumberOfImageMetrics << std::endl;
+  os << "NumberOfTransformMetrics: " << this->m_NumberOfTransformMetrics << std::endl;
+  os << "NumberOfPointSetMetrics: " << this->m_NumberOfPointSetMetrics << std::endl;
   for (unsigned int i = 0; i < this->m_NumberOfMetrics; ++i)
   {
     os << "Metric " << i << ":\n";
@@ -280,6 +286,30 @@ CombinationImageToImageMetric<TFixedImage, TMovingImage>::SetMetric(SingleValued
 
   if (metric != this->m_Metrics[pos])
   {
+    PointSetMetricType * testPtr1 = dynamic_cast<PointSetMetricType *>(metric);
+    TransformMetricType * testPtr2 = dynamic_cast<TransformMetricType *>(metric);
+    if (!this->m_Metrics[pos]) // if the metric has not been set
+    {
+      // Update numberOfMetric counters
+      if (testPtr1)
+      {
+        this->m_NumberOfPointSetMetrics++;
+      }
+      else if (testPtr2)
+      {
+        this->m_NumberOfTransformMetrics++;
+      }
+      else
+      {
+        this->m_NumberOfImageMetrics++;
+      }
+    }
+    else
+    {
+      // /TODO: Logic to update numberOfMetric counters if a metric is replaced?
+      // not needed for elastix exe ...   
+    }
+
     this->m_Metrics[pos] = metric;
     this->Modified();
   }
diff --git a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkMultiMetricMultiResolutionImageRegistrationMethod.hxx b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkMultiMetricMultiResolutionImageRegistrationMethod.hxx
index 8842346af..def7fc5f2 100644
--- a/Components/Registrations/MultiMetricMultiResolutionRegistration/itkMultiMetricMultiResolutionImageRegistrationMethod.hxx
+++ b/Components/Registrations/MultiMetricMultiResolutionRegistration/itkMultiMetricMultiResolutionImageRegistrationMethod.hxx
@@ -565,18 +565,18 @@ MultiMetricMultiResolutionImageRegistrationMethod<TFixedImage, TMovingImage>::Ch
   }
 
   /** nrofmetrics >= nrofinterpolators >= nrofpyramids >= nofimages */
-  unsigned int nrOfMetrics = this->GetCombinationMetric()->GetNumberOfMetrics();
-  if (this->GetNumberOfInterpolators() > nrOfMetrics)
+  unsigned int nrOfImageMetrics = this->GetCombinationMetric()->GetNumberOfImageMetrics();
+  if (this->GetNumberOfInterpolators() > nrOfImageMetrics)
   {
     itkExceptionMacro(<< "NumberOfInterpolators can not exceed the "
                       << "NumberOfMetrics in the CombinationMetric!");
   }
-  if (this->GetNumberOfFixedImagePyramids() > nrOfMetrics)
+  if (this->GetNumberOfFixedImagePyramids() > nrOfImageMetrics)
   {
     itkExceptionMacro(<< "NumberOfFixedImagePyramids can not exceed the "
                       << "NumberOfMetrics in the CombinationMetric!");
   }
-  if (this->GetNumberOfMovingImagePyramids() > nrOfMetrics)
+  if (this->GetNumberOfMovingImagePyramids() > nrOfImageMetrics)
   {
     itkExceptionMacro(<< "NumberOfMovingImagePyramids can not exceed the "
                       << "NumberOfMetrics in the CombinationMetric!");
@@ -587,31 +587,36 @@ MultiMetricMultiResolutionImageRegistrationMethod<TFixedImage, TMovingImage>::Ch
                       << "NumberOfInterpolators!");
   }
 
-  /** For all components: ==nrofmetrics of ==1. */
-  if ((this->GetNumberOfInterpolators() != 1) && (this->GetNumberOfInterpolators() != nrOfMetrics))
+  /** For all components: ==nrOfImageMetrics or == 1. */
+  if ((this->GetNumberOfInterpolators() != 1) && (this->GetNumberOfInterpolators() != nrOfImageMetrics))
   {
     itkExceptionMacro(<< "The NumberOfInterpolators should equal 1 "
-                      << "or equal the NumberOfMetrics");
+                      << "or equal the NumberOfImageMetrics ("
+                      << nrOfImageMetrics << ")");
   }
-  if ((this->GetNumberOfFixedImagePyramids() != 1) && (this->GetNumberOfFixedImagePyramids() != nrOfMetrics))
+  if ((this->GetNumberOfFixedImagePyramids() != 1) && (this->GetNumberOfFixedImagePyramids() != nrOfImageMetrics))
   {
     itkExceptionMacro(<< "The NumberOfFixedImagePyramids should equal 1 "
-                      << "or equal the NumberOfMetrics");
+                      << "or equal the NumberOfImageMetrics ("
+                      << nrOfImageMetrics << ")");
   }
-  if ((this->GetNumberOfMovingImagePyramids() != 1) && (this->GetNumberOfMovingImagePyramids() != nrOfMetrics))
+  if ((this->GetNumberOfMovingImagePyramids() != 1) && (this->GetNumberOfMovingImagePyramids() != nrOfImageMetrics))
   {
     itkExceptionMacro(<< "The NumberOfMovingImagePyramids should equal 1 "
-                      << "or equal the NumberOfMetrics");
+                      << "or equal the NumberOfImageMetrics ("
+                      << nrOfImageMetrics << ")");
   }
-  if ((this->GetNumberOfFixedImages() != 1) && (this->GetNumberOfFixedImages() != nrOfMetrics))
+  if ((this->GetNumberOfFixedImages() != 1) && (this->GetNumberOfFixedImages() != nrOfImageMetrics))
   {
     itkExceptionMacro(<< "The NumberOfFixedImages should equal 1 "
-                      << "or equal the NumberOfMetrics");
+                      << "or equal the NumberOfImageMetrics ("
+                      << nrOfImageMetrics << ")");
   }
-  if ((this->GetNumberOfMovingImages() != 1) && (this->GetNumberOfMovingImages() != nrOfMetrics))
+  if ((this->GetNumberOfMovingImages() != 1) && (this->GetNumberOfMovingImages() != nrOfImageMetrics))
   {
     itkExceptionMacro(<< "The NumberOfMovingImages should equal 1 "
-                      << "or equal the NumberOfMetrics");
+                      << "or equal the NumberOfImageMetrics ("
+                      << nrOfImageMetrics << ")");
   }
 
 } // end CheckOnInitialize()