diff --git a/pvDataApp/factory/Convert.cpp b/pvDataApp/factory/Convert.cpp
index 036cb38..f093429 100644
--- a/pvDataApp/factory/Convert.cpp
+++ b/pvDataApp/factory/Convert.cpp
@@ -1067,29 +1067,7 @@ void Convert::copyStructureArray(
         String message("Convert.copyStructureArray destination is immutable");
         throw std::invalid_argument(message);
     }
-    StructureConstPtr xxx = from->getStructureArray()->getStructure();
-    StructureConstPtr yyy = to->getStructureArray()->getStructure();
-    if(!isCopyStructureCompatible(xxx,yyy)) {
-        String message("Convert.copyStructureArray from and to are not compatible");
-        throw std::invalid_argument(message);
-    }
-    size_t length = from->getLength();
-    if(to->getCapacity()<length) to->setCapacity(length);
-    PVStructurePtr * fromArray = from->get();
-    PVStructurePtr * toArray = to->get();
-    for(size_t i=0; i<length; i++) {
-    	if(fromArray[i].get()==NULL) {
-            toArray[i] = PVStructurePtr();
-    	} else {
-    	    if(toArray[i].get()==0) {
-    		StructureConstPtr structure = to->getStructureArray()->getStructure();
-    		toArray[i] = pvDataCreate->createPVStructure(structure);
-    	    }
-    	    copyStructure(fromArray[i],toArray[i]);
-    	}
-    }
-    to->setLength(length);
-    to->postPut();
+    to->put(0,from->getLength(),from->getVector(),0);
 }
 
 String Convert::toString(PVScalarPtr const & pv)
diff --git a/pvDataApp/factory/PVStructureArray.cpp b/pvDataApp/factory/PVStructureArray.cpp
index 683b550..1a0aa16 100644
--- a/pvDataApp/factory/PVStructureArray.cpp
+++ b/pvDataApp/factory/PVStructureArray.cpp
@@ -178,19 +178,19 @@ void PVStructureArray::deserialize(ByteBuffer *pbuffer,
     if(size>=0) {
         // prepare array, if necessary
         if(size>getCapacity()) setCapacity(size);
-        PVStructurePtrArray pvArray = *value.get();
+        PVStructurePtrArray *pvArray = value.get();
         for(size_t i = 0; i<size; i++) {
             pcontrol->ensureData(1);
             size_t temp = pbuffer->getByte();
             if(temp==0) {
-                pvArray[i].reset();
+                (*pvArray)[i].reset();
             }
             else {
-                if(pvArray[i].get()==NULL) {
+                if((*pvArray)[i].get()==NULL) {
                     StructureConstPtr structure = structureArray->getStructure();
-                    pvArray[i] = getPVDataCreate()->createPVStructure(structure);
+                    (*pvArray)[i] = getPVDataCreate()->createPVStructure(structure);
                 }
-                pvArray[i]->deserialize(pbuffer, pcontrol);
+                (*pvArray)[i]->deserialize(pbuffer, pcontrol);
             }
         }
         setLength(size);
diff --git a/testApp/pv/testPVStructureArray.cpp b/testApp/pv/testPVStructureArray.cpp
index 889dc96..8543d8a 100644
--- a/testApp/pv/testPVStructureArray.cpp
+++ b/testApp/pv/testPVStructureArray.cpp
@@ -18,6 +18,7 @@
 #include <pv/requester.h>
 #include <pv/pvIntrospect.h>
 #include <pv/pvData.h>
+#include <pv/convert.h>
 #include <pv/standardField.h>
 #include <pv/standardPVField.h>
 
@@ -27,6 +28,7 @@ static FieldCreatePtr fieldCreate;
 static PVDataCreatePtr pvDataCreate;
 static StandardFieldPtr standardField;
 static StandardPVFieldPtr standardPVField;
+static ConvertPtr convert;
 static String buffer;
 
 void testPVStructureArray(FILE * fd) {
@@ -45,6 +47,11 @@ void testPVStructureArray(FILE * fd) {
     buffer.clear();
     pvAlarmStructure->toString(&buffer);
     fprintf(fd,"pvAlarmStructure\n%s\n",buffer.c_str());
+    PVStructureArrayPtr copy(pvDataCreate->createPVStructureArray(alarm));
+    convert->copyStructureArray(pvAlarmStructure,copy);
+    buffer.clear();
+    copy->toString(&buffer);
+    fprintf(fd,"copy\n%s\n",buffer.c_str());
 }
 
 StructureConstPtr getPowerSupplyStructure() {
@@ -101,6 +108,7 @@ int main(int argc,char *argv[])
     pvDataCreate = getPVDataCreate();
     standardField = getStandardField();
     standardPVField = getStandardPVField();
+    convert = getConvert();
     testPVStructureArray(fd);
     testPowerSupplyArray(fd);
     return(0);