diff --git a/proposal/sandbox/dotnet/build.xml b/proposal/sandbox/dotnet/build.xml
index 9bb0bd64a..6db1d04c7 100644
--- a/proposal/sandbox/dotnet/build.xml
+++ b/proposal/sandbox/dotnet/build.xml
@@ -71,6 +71,7 @@
       printsummary="false"
       haltonfailure="false"
       failureproperty="tests.failed"
+      filtertrace="false"
       >
       <classpath>
         <pathelement location="${jarname}"/>
diff --git a/proposal/sandbox/dotnet/src/etc/testcases/dotnetexec.xml b/proposal/sandbox/dotnet/src/etc/testcases/dotnetexec.xml
index e421c5e80..2aaef4bcb 100644
--- a/proposal/sandbox/dotnet/src/etc/testcases/dotnetexec.xml
+++ b/proposal/sandbox/dotnet/src/etc/testcases/dotnetexec.xml
@@ -76,8 +76,9 @@
   <target name="testCSC" depends="validate_csc">
     <csc
       destFile="${testCSC.exe}"
-      targetType="exe"
-      />
+      targetType="exe">
+      <src dir="${src.dir}" includes="ex*.cs"/>
+    </csc>
     <available property="app.created" file="${testCSC.exe}"/>
     <fail unless="app.created">No app ${testCSC.exe} created</fail>
     <dn:dotnetexec executable="${testCSC.exe}" failonerror="true" />
diff --git a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/AbstractBuildTask.java b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/AbstractBuildTask.java
index ed70d3731..3db543979 100644
--- a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/AbstractBuildTask.java
+++ b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/AbstractBuildTask.java
@@ -202,13 +202,8 @@ public abstract class AbstractBuildTask extends Task {
                                      + " same time");
         }
 
-        DotNetExecTask exec = new DotNetExecTask();
-        if (vm != null) {
-            exec.setVm(vm);
-        }
-        exec.setProject(getProject());
-        exec.setExecutable(getExecutable());
-        exec.setTaskName(getTaskName());
+        DotNetExecTask exec = DotNetExecTask.getTask(this, vm, 
+                                                     getExecutable(), null);
         String[] args = getPropertyArguments(properties);
         for (int i = 0; i < args.length; i++) {
             exec.createArg().setValue(args[i]);
diff --git a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/DotNetExecTask.java b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/DotNetExecTask.java
index 8339f80d5..e546cfd6e 100644
--- a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/DotNetExecTask.java
+++ b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/DotNetExecTask.java
@@ -18,8 +18,10 @@
 package org.apache.tools.ant.taskdefs.optional.dotnet;
 
 import org.apache.tools.ant.BuildException;
+import org.apache.tools.ant.Task;
 import org.apache.tools.ant.taskdefs.ExecTask;
 import org.apache.tools.ant.taskdefs.condition.Os;
+import org.apache.tools.ant.types.Environment;
 
 /**
  * Specialized <exec> that knows how to deal with Mono vs. Microsoft's
@@ -115,4 +117,34 @@ public class DotNetExecTask extends ExecTask {
     protected final static boolean isMono(String vm) {
         return "mono".equals(vm) || "mint".equals(vm);
     }
+
+    /**
+     * Creates an instance of this task based on a different tasks settings.
+     */
+    public static DotNetExecTask getTask(Task t, String vm, 
+                                         String executable,
+                                         Environment env) {
+        DotNetExecTask exec = new DotNetExecTask();
+        if (vm != null) {
+            exec.setVm(vm);
+        }
+        exec.setProject(t.getProject());
+        exec.setExecutable(executable);
+        exec.setTaskName(t.getTaskName());
+        if (env != null) {
+            String[] environment = env.getVariables();
+            if (environment != null) {
+                for (int i = 0; i < environment.length; i++) {
+                    int idx = environment[i].indexOf("=");
+                    Environment.Variable v = new Environment.Variable();
+                    v.setKey(environment[i].substring(0, idx));
+                    v.setValue(environment[i].substring(idx + 1));
+                    exec.addEnv(v);
+                }
+            }
+        }
+        
+        return exec;
+    }
+
 }
diff --git a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WixTask.java b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WixTask.java
index 7969803d8..69a8feb97 100644
--- a/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WixTask.java
+++ b/proposal/sandbox/dotnet/src/main/org/apache/tools/ant/taskdefs/optional/dotnet/WixTask.java
@@ -211,13 +211,8 @@ public class WixTask extends Task {
      * potentially adding an /out parameter.
      */
     private void run(String executable, List s, File target) {
-        DotNetExecTask exec = new DotNetExecTask();
-        if (vm != null) {
-            exec.setVm(vm);
-        }
-        exec.setProject(getProject());
-        exec.setExecutable(executable);
-        exec.setTaskName(getTaskName());
+        DotNetExecTask exec = DotNetExecTask.getTask(this, vm, 
+                                                     executable, null);
         Iterator iter = s.iterator();
         while (iter.hasNext()) {
             File f = (File) iter.next();