diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index f9447a3ee13..d546c4e5644 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -391,6 +391,9 @@ Release 2.0.5-beta - UNRELEASED
     HDFS-4743. TestNNStorageRetentionManager fails on Windows.
     (Chris Nauroth via suresh)
 
+    HDFS-4740. Fixes for a few test failures on Windows.
+    (Arpit Agarwal via suresh)
+
 Release 2.0.4-alpha - 2013-04-25
 
   INCOMPATIBLE CHANGES
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
index 2533d3e9160..a4fadc5e82f 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
@@ -29,11 +29,11 @@
 import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMENODE_SERVICE_RPC_ADDRESS_KEY;
 import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMESERVICES;
 import static org.apache.hadoop.hdfs.DFSConfigKeys.DFS_NAMESERVICE_ID;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import org.apache.hadoop.util.Shell;
+
+import static org.junit.Assert.*;
+import org.junit.Assume;
+import static org.hamcrest.CoreMatchers.*;
 
 import java.io.IOException;
 import java.net.InetSocketAddress;
@@ -619,19 +619,25 @@ public void testGetNNUris() throws Exception {
     
     assertEquals(1, uris.size());
     assertTrue(uris.contains(new URI("hdfs://" + NN1_SRVC_ADDR)));
+  }
+
+  @Test (timeout=15000)
+  public void testLocalhostReverseLookup() {
+    // 127.0.0.1 -> localhost reverse resolution does not happen on Windows.
+    Assume.assumeTrue(!Shell.WINDOWS);
 
     // Make sure when config FS_DEFAULT_NAME_KEY using IP address,
     // it will automatically convert it to hostname
-    conf = new HdfsConfiguration();
+    HdfsConfiguration conf = new HdfsConfiguration();
     conf.set(CommonConfigurationKeys.FS_DEFAULT_NAME_KEY, "hdfs://127.0.0.1:8020");
-    uris = DFSUtil.getNameServiceUris(conf);
+    Collection<URI> uris = DFSUtil.getNameServiceUris(conf);
     assertEquals(1, uris.size());
     for (URI uri : uris) {
-      assertFalse(uri.getHost().equals("127.0.0.1"));
+      assertThat(uri.getHost(), not("127.0.0.1"));
     }
   }
-  
-  @Test
+
+  @Test (timeout=15000)
   public void testIsValidName() {
     assertFalse(DFSUtil.isValidName("/foo/../bar"));
     assertFalse(DFSUtil.isValidName("/foo//bar"));
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestLargeBlock.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestLargeBlock.java
index 64c5ef4c056..cdaf9c78936 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestLargeBlock.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestLargeBlock.java
@@ -155,10 +155,12 @@ static void checkFullFile(FileSystem fs, Path name, final long fileSize)
   }
  
   /**
-   * Test for block size of 2GB + 512B
+   * Test for block size of 2GB + 512B. This test can take a rather long time to
+   * complete on Windows (reading the file back can be slow) so we use a larger
+   * timeout here.
    * @throws IOException in case of errors
    */
-  @Test(timeout = 120000)
+  @Test (timeout = 900000)
   public void testLargeBlockSize() throws IOException {
     final long blockSize = 2L * 1024L * 1024L * 1024L + 512L; // 2GB + 512B
     runTest(blockSize);
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsUrl.java b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsUrl.java
index 551a37b5c0e..b084a630a4c 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsUrl.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/web/TestWebHdfsUrl.java
@@ -54,7 +54,7 @@ public void resetUGI() {
     UserGroupInformation.setConfiguration(new Configuration());
   }
   
-  @Test(timeout=4000)
+  @Test(timeout=60000)
   public void testSimpleAuthParamsInUrl() throws IOException {
     Configuration conf = new Configuration();
 
@@ -75,7 +75,7 @@ public void testSimpleAuthParamsInUrl() throws IOException {
         fileStatusUrl);
   }
 
-  @Test(timeout=4000)
+  @Test(timeout=60000)
   public void testSimpleProxyAuthParamsInUrl() throws IOException {
     Configuration conf = new Configuration();
 
@@ -98,7 +98,7 @@ public void testSimpleProxyAuthParamsInUrl() throws IOException {
         fileStatusUrl);
   }
 
-  @Test(timeout=4000)
+  @Test(timeout=60000)
   public void testSecureAuthParamsInUrl() throws IOException {
     Configuration conf = new Configuration();
     // fake turning on security so api thinks it should use tokens
@@ -178,7 +178,7 @@ public void testSecureAuthParamsInUrl() throws IOException {
         fileStatusUrl);    
   }
 
-  @Test(timeout=4000)
+  @Test(timeout=60000)
   public void testSecureProxyAuthParamsInUrl() throws IOException {
     Configuration conf = new Configuration();
     // fake turning on security so api thinks it should use tokens
@@ -290,7 +290,7 @@ private WebHdfsFileSystem getWebHdfsFileSystem(UserGroupInformation ugi,
     return (WebHdfsFileSystem) FileSystem.get(uri, conf);
   }
   
-  @Test(timeout=4000)
+  @Test(timeout=60000)
   public void testSelectHdfsDelegationToken() throws Exception {
     SecurityUtilTestHelper.setTokenServiceUseIp(true);