diff --git a/test/jdk/com/sun/jndi/dns/ConfigTests/PortUnreachable.java b/test/jdk/com/sun/jndi/dns/ConfigTests/PortUnreachable.java
index 057b7a02f7063..0a92e52c2704b 100644
--- a/test/jdk/com/sun/jndi/dns/ConfigTests/PortUnreachable.java
+++ b/test/jdk/com/sun/jndi/dns/ConfigTests/PortUnreachable.java
@@ -32,6 +32,8 @@
  *          Unreachable packet is received, we fail quickly and don't wait for
  *          the full timeout interval. This could be caused, for example, by a
  *          dead DNS server or a flakey router.
+ *          On AIX, no ICMP Destination Unreachable is received, so skip test.
+ * @requires os.family != "aix"
  * @library ../lib/
  * @modules java.base/sun.security.util
  * @run main/othervm -Djdk.net.usePlainDatagramSocketImpl=false PortUnreachable