diff --git a/hadoop-mapreduce-project/CHANGES.txt b/hadoop-mapreduce-project/CHANGES.txt
index dfef8e5..ddf21ed 100644
--- a/hadoop-mapreduce-project/CHANGES.txt
+++ b/hadoop-mapreduce-project/CHANGES.txt
@@ -255,6 +255,9 @@
     MAPREDUCE-6012. DBInputSplit creates invalid ranges on Oracle. 
     (Wei Yan via kasha)
 
+    MAPREDUCE-6044. Fully qualified intermediate done dir path breaks per-user dir
+    creation on Windows. (zjshen)
+
 Release 2.5.0 - 2014-08-11
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
index d8a0cc7..7539e73 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/jobhistory/TestJobHistoryEventHandler.java
@@ -25,7 +25,6 @@
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
-import static org.mockito.Mockito.never;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -53,6 +52,8 @@
 import org.apache.hadoop.mapreduce.v2.app.AppContext;
 import org.apache.hadoop.mapreduce.v2.app.job.Job;
 import org.apache.hadoop.mapreduce.v2.app.job.JobStateInternal;
+import org.apache.hadoop.mapreduce.v2.jobhistory.JHAdminConfig;
+import org.apache.hadoop.mapreduce.v2.jobhistory.JobHistoryUtils;
 import org.apache.hadoop.mapreduce.v2.util.MRBuilderUtils;
 import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
@@ -399,6 +400,33 @@
     }
   }
 
+  @Test
+  public void testGetHistoryIntermediateDoneDirForUser() throws IOException {
+    // Test relative path
+    Configuration conf = new Configuration();
+    conf.set(JHAdminConfig.MR_HISTORY_INTERMEDIATE_DONE_DIR,
+        "/mapred/history/done_intermediate");
+    conf.set(MRJobConfig.USER_NAME, System.getProperty("user.name"));
+    String pathStr = JobHistoryUtils.getHistoryIntermediateDoneDirForUser(conf);
+    Assert.assertEquals("/mapred/history/done_intermediate/" +
+        System.getProperty("user.name"), pathStr);
+
+    // Test fully qualified path
+    // Create default configuration pointing to the minicluster
+    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY,
+        dfsCluster.getURI().toString());
+    FileOutputStream os = new FileOutputStream(coreSitePath);
+    conf.writeXml(os);
+    os.close();
+    // Simulate execution under a non-default namenode
+    conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY,
+            "file:///");
+    pathStr = JobHistoryUtils.getHistoryIntermediateDoneDirForUser(conf);
+    Assert.assertEquals(dfsCluster.getURI().toString() +
+        "/mapred/history/done_intermediate/" + System.getProperty("user.name"),
+        pathStr);
+  }
+
   private void queueEvent(JHEvenHandlerForTest jheh, JobHistoryEvent event) {
     jheh.handle(event);
   }
diff --git a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java
index 167ee20..e279c03 100644
--- a/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java
+++ b/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapreduce/v2/jobhistory/JobHistoryUtils.java
@@ -292,8 +292,8 @@
    * @return the intermediate done directory for jobhistory files.
    */
   public static String getHistoryIntermediateDoneDirForUser(Configuration conf) throws IOException {
-    return getConfiguredHistoryIntermediateDoneDirPrefix(conf) + File.separator
-        + UserGroupInformation.getCurrentUser().getShortUserName();
+    return new Path(getConfiguredHistoryIntermediateDoneDirPrefix(conf),
+        UserGroupInformation.getCurrentUser().getShortUserName()).toString();
   }
 
   public static boolean shouldCreateNonUserDirectory(Configuration conf) {