diff -up NetworkManager-0.7.0/src/named-manager/nm-named-manager.c.explain-dns1-dns2 NetworkManager-0.7.0/src/named-manager/nm-named-manager.c
--- NetworkManager-0.7.0/src/named-manager/nm-named-manager.c.explain-dns1-dns2	2008-08-27 13:20:27.000000000 -0400
+++ NetworkManager-0.7.0/src/named-manager/nm-named-manager.c	2008-08-27 16:02:31.000000000 -0400
@@ -236,7 +236,7 @@ update_resolv_conf (const char *iface,
 		g_free (tmp_str);
 	}
 
-	if (nameservers) {
+	if (nameservers && g_strv_length (nameservers)) {
 		GString *str;
 		int num;
 		int i;
@@ -259,6 +259,14 @@ update_resolv_conf (const char *iface,
 		}
 
 		nameservers_str = g_string_free (str, FALSE);
+	} else {
+		nameservers_str = g_strdup_printf ("\n\n%s%s%s%s%s%s",
+		                                   "# No nameservers found; try putting DNS servers into your\n",
+		                                   "# ifcfg files in /etc/sysconfig/network-scripts like so:\n",
+		                                   "#\n",
+		                                   "# DNS1=xxx.xxx.xxx.xxx\n",
+		                                   "# DNS2=xxx.xxx.xxx.xxx\n",
+		                                   "# DOMAIN=lab.foo.com bar.foo.com\n");
 	}
 
 	if (fprintf (f, "%s%s%s\n",