diff --git a/team/tests/org.eclipse.core.tests.net/src/org/eclipse/core/tests/net/NetTest.java b/team/tests/org.eclipse.core.tests.net/src/org/eclipse/core/tests/net/NetTest.java
index 3abeba254cc..a64d5846519 100644
--- a/team/tests/org.eclipse.core.tests.net/src/org/eclipse/core/tests/net/NetTest.java
+++ b/team/tests/org.eclipse.core.tests.net/src/org/eclipse/core/tests/net/NetTest.java
@@ -276,10 +276,8 @@ public void testDisableAfterSet() throws CoreException {
 		assertProxyDataEqual(data);
 	}
 
-	// TODO test disabled, see Bug 403311
 	@Test
-	@Ignore
-	public void _testSimpleHost() throws CoreException {
+	public void testSimpleHost() throws CoreException {
 
 		setDataTest(IProxyData.HTTP_PROXY_TYPE);
 		setDataTest(IProxyData.HTTPS_PROXY_TYPE);