diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java
index ce3d08b92b6..98ee71997de 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/security/access/AccessController.java
@@ -506,8 +506,7 @@ public class AccessController extends BaseMasterAndRegionObserver
   private void requireGlobalPermission(String request, Action perm, TableName tableName,
       Map<byte[], ? extends Collection<byte[]>> familyMap) throws IOException {
     User user = getActiveUser();
-    if (authManager.authorize(user, perm) || (tableName != null &&
-        authManager.authorize(user, tableName.getNamespaceAsString(), perm))) {
+    if (authManager.authorize(user, perm)) {
       logResult(AuthResult.allow(request, "Global check allowed", user, perm, tableName, familyMap));
     } else {
       logResult(AuthResult.deny(request, "Global check failed", user, perm, tableName, familyMap));
@@ -527,8 +526,7 @@ public class AccessController extends BaseMasterAndRegionObserver
   private void requireGlobalPermission(String request, Action perm,
                                        String namespace) throws IOException {
     User user = getActiveUser();
-    if (authManager.authorize(user, perm)
-        || (namespace != null && authManager.authorize(user, namespace, perm))) {
+    if (authManager.authorize(user, perm)) {
       logResult(AuthResult.allow(request, "Global check allowed", user, perm, namespace));
     } else {
       logResult(AuthResult.deny(request, "Global check failed", user, perm, namespace));
@@ -538,6 +536,34 @@ public class AccessController extends BaseMasterAndRegionObserver
     }
   }
 
+  /**
+   * Checks that the user has the given global or namespace permission.
+   * @param namespace
+   * @param perm Action being requested
+   */
+  public void requireNamespacePermission(String request, String namespace,
+      Action... permissions) throws IOException {
+    User user = getActiveUser();
+    AuthResult result = null;
+
+    for (Action permission : permissions) {
+      if (authManager.authorize(user, namespace, permission)) {
+        result = AuthResult.allow(request, "Namespace permission granted",
+            user, permission, namespace);
+        break;
+      } else {
+        // rest of the world
+        result = AuthResult.deny(request, "Insufficient permissions", user,
+            permission, namespace);
+      }
+    }
+    logResult(result);
+    if (!result.isAllowed()) {
+      throw new AccessDeniedException("Insufficient permissions "
+          + result.toContextString());
+    }
+  }
+
   /**
    * Returns <code>true</code> if the current user is allowed the given action
    * over at least one of the column qualifiers in the given column families.
@@ -824,7 +850,7 @@ public class AccessController extends BaseMasterAndRegionObserver
   }
 
   /* ---- MasterObserver implementation ---- */
-
+  @Override
   public void start(CoprocessorEnvironment env) throws IOException {
     CompoundConfiguration conf = new CompoundConfiguration();
     conf.add(env.getConfiguration());
@@ -879,6 +905,7 @@ public class AccessController extends BaseMasterAndRegionObserver
     tableAcls = new MapMaker().weakValues().makeMap();
   }
 
+  @Override
   public void stop(CoprocessorEnvironment env) {
 
   }
@@ -891,7 +918,7 @@ public class AccessController extends BaseMasterAndRegionObserver
     for (byte[] family: families) {
       familyMap.put(family, null);
     }
-    requireGlobalPermission("createTable", Action.CREATE, desc.getTableName(), familyMap);
+    requireNamespacePermission("createTable", desc.getTableName().getNamespaceAsString(), Action.CREATE);
   }
 
   @Override
@@ -1178,7 +1205,7 @@ public class AccessController extends BaseMasterAndRegionObserver
   @Override
   public void preCreateNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx,
       NamespaceDescriptor ns) throws IOException {
-    requirePermission("createNamespace", Action.ADMIN);
+    requireGlobalPermission("createNamespace", Action.ADMIN, ns.getName());
   }
 
   @Override
@@ -1204,13 +1231,15 @@ public class AccessController extends BaseMasterAndRegionObserver
   @Override
   public void preModifyNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx,
       NamespaceDescriptor ns) throws IOException {
+    // We require only global permission so that 
+    // a user with NS admin cannot altering namespace configurations. i.e. namespace quota
     requireGlobalPermission("modifyNamespace", Action.ADMIN, ns.getName());
   }
 
   @Override
   public void preGetNamespaceDescriptor(ObserverContext<MasterCoprocessorEnvironment> ctx, String namespace)
       throws IOException {
-    requireGlobalPermission("getNamespaceDescriptor", Action.ADMIN, namespace);
+    requireNamespacePermission("getNamespaceDescriptor", namespace, Action.ADMIN);
   }
 
   @Override
@@ -1222,7 +1251,7 @@ public class AccessController extends BaseMasterAndRegionObserver
     while (itr.hasNext()) {
       NamespaceDescriptor desc = itr.next();
       try {
-        requireGlobalPermission("listNamespaces", Action.ADMIN, desc.getName());
+        requireNamespacePermission("listNamespaces", desc.getName(), Action.ADMIN);
       } catch (AccessDeniedException e) {
         itr.remove();
       }
@@ -2163,7 +2192,7 @@ public class AccessController extends BaseMasterAndRegionObserver
           });
         } else if (request.getType() == AccessControlProtos.Permission.Type.Namespace) {
           final String namespace = request.getNamespaceName().toStringUtf8();
-          requireGlobalPermission("userPermissions", Action.ADMIN, namespace);
+          requireNamespacePermission("userPermissions", namespace, Action.ADMIN);
           perms = User.runAsLoginUser(new PrivilegedExceptionAction<List<UserPermission>>() {
             @Override
             public List<UserPermission> run() throws Exception {
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java
index 11a131bdeef..27ee91580e7 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java
@@ -285,7 +285,9 @@ public class TestAccessController extends SecureTestUtil {
       // Test deleted the table, no problem
       LOG.info("Test deleted table " + TEST_TABLE.getTableName());
     }
+    // Verify all table/namespace permissions are erased
     assertEquals(0, AccessControlLists.getTablePermissions(conf, TEST_TABLE.getTableName()).size());
+    assertEquals(0, AccessControlLists.getNamespacePermissions(conf, TEST_TABLE.getTableName().getNameAsString()).size());
   }
 
   @Test
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestNamespaceCommands.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestNamespaceCommands.java
index 2ee1100d595..327024705e1 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestNamespaceCommands.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestNamespaceCommands.java
@@ -65,14 +65,33 @@ public class TestNamespaceCommands extends SecureTestUtil {
 
   // user with all permissions
   private static User SUPERUSER;
+
+  // user with A permission on global
+  private static User USER_GLOBAL_ADMIN;
+  // user with C permission on global
+  private static User USER_GLOBAL_CREATE;
+  // user with W permission on global
+  private static User USER_GLOBAL_WRITE;
+  // user with R permission on global
+  private static User USER_GLOBAL_READ;
+  // user with X permission on global
+  private static User USER_GLOBAL_EXEC;
+
+  // user with A permission on namespace
+  private static User USER_NS_ADMIN;
+  // user with C permission on namespace
+  private static User USER_NS_CREATE;
+  // user with W permission on namespace
+  private static User USER_NS_WRITE;
+  // user with R permission on namespace.
+  private static User USER_NS_READ;
+  // user with X permission on namespace.
+  private static User USER_NS_EXEC;
+
   // user with rw permissions
-  private static User USER_RW;
-  // user with create table permissions alone
-  private static User USER_CREATE;
-  // user with permission on namespace for testing all operations.
-  private static User USER_NSP_WRITE;
-  // user with admin permission on namespace.
-  private static User USER_NSP_ADMIN;
+  private static User USER_TABLE_WRITE;  // TODO: WE DO NOT GIVE ANY PERMS TO THIS USER
+  //user with create table permissions alone
+  private static User USER_TABLE_CREATE; // TODO: WE DO NOT GIVE ANY PERMS TO THIS USER
 
   private static String TEST_TABLE = TEST_NAMESPACE + ":testtable";
   private static byte[] TEST_FAMILY = Bytes.toBytes("f1");
@@ -83,10 +102,22 @@ public class TestNamespaceCommands extends SecureTestUtil {
     enableSecurity(conf);
 
     SUPERUSER = User.createUserForTesting(conf, "admin", new String[] { "supergroup" });
-    USER_RW = User.createUserForTesting(conf, "rw_user", new String[0]);
-    USER_CREATE = User.createUserForTesting(conf, "create_user", new String[0]);
-    USER_NSP_WRITE = User.createUserForTesting(conf, "namespace_write", new String[0]);
-    USER_NSP_ADMIN = User.createUserForTesting(conf, "namespace_admin", new String[0]);
+    // Users with global permissions
+    USER_GLOBAL_ADMIN = User.createUserForTesting(conf, "global_admin", new String[0]);
+    USER_GLOBAL_CREATE = User.createUserForTesting(conf, "global_create", new String[0]);
+    USER_GLOBAL_WRITE = User.createUserForTesting(conf, "global_write", new String[0]);
+    USER_GLOBAL_READ = User.createUserForTesting(conf, "global_read", new String[0]);
+    USER_GLOBAL_EXEC = User.createUserForTesting(conf, "global_exec", new String[0]);
+
+    USER_NS_ADMIN = User.createUserForTesting(conf, "namespace_admin", new String[0]);
+    USER_NS_CREATE = User.createUserForTesting(conf, "namespace_create", new String[0]);
+    USER_NS_WRITE = User.createUserForTesting(conf, "namespace_write", new String[0]);
+    USER_NS_READ = User.createUserForTesting(conf, "namespace_read", new String[0]);
+    USER_NS_EXEC = User.createUserForTesting(conf, "namespace_exec", new String[0]);
+
+    USER_TABLE_CREATE = User.createUserForTesting(conf, "table_create", new String[0]);
+    USER_TABLE_WRITE = User.createUserForTesting(conf, "table_write", new String[0]);
+    // TODO: other table perms
 
     UTIL.startMiniCluster();
     // Wait for the ACL table to become available
@@ -99,11 +130,21 @@ public class TestNamespaceCommands extends SecureTestUtil {
     UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(TEST_NAMESPACE).build());
     UTIL.getHBaseAdmin().createNamespace(NamespaceDescriptor.create(TEST_NAMESPACE2).build());
 
-    grantOnNamespace(UTIL, USER_NSP_WRITE.getShortName(),
-      TEST_NAMESPACE, Permission.Action.WRITE, Permission.Action.CREATE);
+    // grants on global
+    grantGlobal(UTIL, USER_GLOBAL_ADMIN.getShortName(),  Permission.Action.ADMIN);
+    grantGlobal(UTIL, USER_GLOBAL_CREATE.getShortName(), Permission.Action.CREATE);
+    grantGlobal(UTIL, USER_GLOBAL_WRITE.getShortName(),  Permission.Action.WRITE);
+    grantGlobal(UTIL, USER_GLOBAL_READ.getShortName(),   Permission.Action.READ);
+    grantGlobal(UTIL, USER_GLOBAL_EXEC.getShortName(),   Permission.Action.EXEC);
 
-    grantOnNamespace(UTIL, USER_NSP_ADMIN.getShortName(), TEST_NAMESPACE, Permission.Action.ADMIN);
-    grantOnNamespace(UTIL, USER_NSP_ADMIN.getShortName(), TEST_NAMESPACE2, Permission.Action.ADMIN);
+    // grants on namespace
+    grantOnNamespace(UTIL, USER_NS_ADMIN.getShortName(),  TEST_NAMESPACE, Permission.Action.ADMIN);
+    grantOnNamespace(UTIL, USER_NS_CREATE.getShortName(), TEST_NAMESPACE, Permission.Action.CREATE);
+    grantOnNamespace(UTIL, USER_NS_WRITE.getShortName(),  TEST_NAMESPACE, Permission.Action.WRITE);
+    grantOnNamespace(UTIL, USER_NS_READ.getShortName(),   TEST_NAMESPACE, Permission.Action.READ);
+    grantOnNamespace(UTIL, USER_NS_EXEC.getShortName(),   TEST_NAMESPACE, Permission.Action.EXEC);
+
+    grantOnNamespace(UTIL, USER_NS_ADMIN.getShortName(), TEST_NAMESPACE2, Permission.Action.ADMIN);
   }
 
   @AfterClass
@@ -118,15 +159,20 @@ public class TestNamespaceCommands extends SecureTestUtil {
     String userTestNamespace = "userTestNsp";
     Table acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
     try {
+      ListMultimap<String, TablePermission> perms =
+          AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
+
+      perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
+      assertEquals(5, perms.size());
+
       // Grant and check state in ACL table
       grantOnNamespace(UTIL, userTestNamespace, TEST_NAMESPACE,
         Permission.Action.WRITE);
 
       Result result = acl.get(new Get(Bytes.toBytes(userTestNamespace)));
       assertTrue(result != null);
-      ListMultimap<String, TablePermission> perms =
-          AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
-      assertEquals(3, perms.size());
+      perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
+      assertEquals(6, perms.size());
       List<TablePermission> namespacePerms = perms.get(userTestNamespace);
       assertTrue(perms.containsKey(userTestNamespace));
       assertEquals(1, namespacePerms.size());
@@ -142,7 +188,7 @@ public class TestNamespaceCommands extends SecureTestUtil {
         Permission.Action.WRITE);
 
       perms = AccessControlLists.getNamespacePermissions(conf, TEST_NAMESPACE);
-      assertEquals(2, perms.size());
+      assertEquals(5, perms.size());
     } finally {
       acl.close();
     }
@@ -157,15 +203,28 @@ public class TestNamespaceCommands extends SecureTestUtil {
         return null;
       }
     };
-    // verify that superuser or hbase admin can modify namespaces.
-    verifyAllowed(modifyNamespace, SUPERUSER, USER_NSP_ADMIN);
-    // all others should be denied
-    verifyDenied(modifyNamespace, USER_NSP_WRITE, USER_CREATE, USER_RW);
+
+    // modifyNamespace: superuser | global(A) | NS(A)
+    verifyAllowed(modifyNamespace,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN);
+
+    verifyDeniedWithException(modifyNamespace,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_ADMIN,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC);
   }
 
   @Test
   public void testCreateAndDeleteNamespace() throws Exception {
     AccessTestAction createNamespace = new AccessTestAction() {
+      @Override
       public Object run() throws Exception {
         ACCESS_CONTROLLER.preCreateNamespace(ObserverContext.createAndPrepare(CP_ENV, null),
           NamespaceDescriptor.create(TEST_NAMESPACE2).build());
@@ -174,6 +233,7 @@ public class TestNamespaceCommands extends SecureTestUtil {
     };
 
     AccessTestAction deleteNamespace = new AccessTestAction() {
+      @Override
       public Object run() throws Exception {
         ACCESS_CONTROLLER.preDeleteNamespace(ObserverContext.createAndPrepare(CP_ENV, null),
           TEST_NAMESPACE2);
@@ -181,29 +241,71 @@ public class TestNamespaceCommands extends SecureTestUtil {
       }
     };
 
-    // verify that only superuser can create namespaces.
-    verifyAllowed(createNamespace, SUPERUSER);
- // verify that superuser or hbase admin can delete namespaces.
-    verifyAllowed(deleteNamespace, SUPERUSER, USER_NSP_ADMIN);
+    // createNamespace: superuser | global(A)
+    verifyAllowed(createNamespace,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN);
 
     // all others should be denied
-    verifyDenied(createNamespace, USER_NSP_WRITE, USER_CREATE, USER_RW, USER_NSP_ADMIN);
-    verifyDenied(deleteNamespace, USER_NSP_WRITE, USER_CREATE, USER_RW);
+    verifyDeniedWithException(createNamespace,
+        USER_GLOBAL_CREATE,
+        USER_GLOBAL_WRITE,
+        USER_GLOBAL_READ,
+        USER_GLOBAL_EXEC,
+        USER_NS_ADMIN,
+        USER_NS_CREATE,
+        USER_NS_WRITE,
+        USER_NS_READ,
+        USER_NS_EXEC,
+        USER_TABLE_CREATE,
+        USER_TABLE_WRITE);
+
+    // deleteNamespace: superuser | global(A) | NS(A)
+    verifyAllowed(deleteNamespace,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN);
+
+    verifyDeniedWithException(deleteNamespace,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_ADMIN,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
   }
 
   @Test
   public void testGetNamespaceDescriptor() throws Exception {
     AccessTestAction getNamespaceAction = new AccessTestAction() {
+      @Override
       public Object run() throws Exception {
         ACCESS_CONTROLLER.preGetNamespaceDescriptor(ObserverContext.createAndPrepare(CP_ENV, null),
           TEST_NAMESPACE);
         return null;
       }
     };
-    // verify that superuser or hbase admin can get the namespace descriptor.
-    verifyAllowed(getNamespaceAction, SUPERUSER, USER_NSP_ADMIN);
-    // all others should be denied
-    verifyDenied(getNamespaceAction, USER_NSP_WRITE, USER_CREATE, USER_RW);
+    // getNamespaceDescriptor : superuser | global(A) | NS(A)
+    verifyAllowed(getNamespaceAction,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN,
+      USER_NS_ADMIN);
+
+    verifyDeniedWithException(getNamespaceAction,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
   }
 
   @Test
@@ -223,12 +325,30 @@ public class TestNamespaceCommands extends SecureTestUtil {
       }
     };
 
-    verifyAllowed(listAction, SUPERUSER, USER_NSP_ADMIN);
-    verifyDenied(listAction, USER_NSP_WRITE, USER_CREATE, USER_RW);
+    // listNamespaces         : All access*
+    // * Returned list will only show what you can call getNamespaceDescriptor()
+
+    verifyAllowed(listAction,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN,
+      USER_NS_ADMIN);
 
     // we have 3 namespaces: [default, hbase, TEST_NAMESPACE, TEST_NAMESPACE2]
     assertEquals(4, ((List)SUPERUSER.runAs(listAction)).size());
-    assertEquals(2, ((List)USER_NSP_ADMIN.runAs(listAction)).size());
+    assertEquals(4, ((List)USER_GLOBAL_ADMIN.runAs(listAction)).size());
+
+    assertEquals(2, ((List)USER_NS_ADMIN.runAs(listAction)).size());
+
+    assertEquals(0, ((List)USER_GLOBAL_CREATE.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_GLOBAL_WRITE.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_GLOBAL_READ.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_GLOBAL_EXEC.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_NS_CREATE.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_NS_WRITE.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_NS_READ.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_NS_EXEC.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_TABLE_CREATE.runAs(listAction)).size());
+    assertEquals(0, ((List)USER_TABLE_WRITE.runAs(listAction)).size());
   }
 
   @Test
@@ -238,6 +358,7 @@ public class TestNamespaceCommands extends SecureTestUtil {
     // Test if client API actions are authorized
 
     AccessTestAction grantAction = new AccessTestAction() {
+      @Override
       public Object run() throws Exception {
         Table acl = new HTable(conf, AccessControlLists.ACL_TABLE_NAME);
         try {
@@ -285,16 +406,56 @@ public class TestNamespaceCommands extends SecureTestUtil {
       }
     };
 
-    // Only HBase super user should be able to grant and revoke permissions to
-    // namespaces
-    verifyAllowed(grantAction, SUPERUSER, USER_NSP_ADMIN);
-    verifyDenied(grantAction, USER_CREATE, USER_RW);
-    verifyAllowed(revokeAction, SUPERUSER, USER_NSP_ADMIN);
-    verifyDenied(revokeAction, USER_CREATE, USER_RW);
+    verifyAllowed(grantAction,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN);
 
-    // Only an admin should be able to get the user permission
-    verifyAllowed(revokeAction, SUPERUSER, USER_NSP_ADMIN);
-    verifyDeniedWithException(revokeAction, USER_CREATE, USER_RW);
+    verifyDeniedWithException(grantAction,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_ADMIN,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
+
+    verifyAllowed(revokeAction,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN);
+
+    verifyDeniedWithException(revokeAction,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_ADMIN,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
+
+    verifyAllowed(getPermissionsAction,
+      SUPERUSER,
+      USER_GLOBAL_ADMIN,
+      USER_NS_ADMIN);
+
+    verifyDeniedWithException(getPermissionsAction,
+      USER_GLOBAL_CREATE,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_CREATE,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
   }
 
   @Test
@@ -309,10 +470,22 @@ public class TestNamespaceCommands extends SecureTestUtil {
       }
     };
 
-    // Only users with create permissions on namespace should be able to create a new table
-    verifyAllowed(createTable, SUPERUSER, USER_NSP_WRITE);
+    //createTable            : superuser | global(C) | NS(C)
+    verifyAllowed(createTable,
+      SUPERUSER,
+      USER_GLOBAL_CREATE,
+      USER_NS_CREATE);
 
-    // all others should be denied
-    verifyDenied(createTable, USER_CREATE, USER_RW);
+    verifyDeniedWithException(createTable,
+      USER_GLOBAL_ADMIN,
+      USER_GLOBAL_WRITE,
+      USER_GLOBAL_READ,
+      USER_GLOBAL_EXEC,
+      USER_NS_ADMIN,
+      USER_NS_WRITE,
+      USER_NS_READ,
+      USER_NS_EXEC,
+      USER_TABLE_CREATE,
+      USER_TABLE_WRITE);
   }
 }