diff -ur asterisk-1.6.2.0-beta4-old/main/manager.c asterisk-1.6.2.0-beta4/main/manager.c
--- asterisk-1.6.2.0-beta4-old/main/manager.c	2009-08-27 08:57:07.000000000 -0500
+++ asterisk-1.6.2.0-beta4/main/manager.c	2009-08-27 09:01:00.000000000 -0500
@@ -4089,8 +4089,8 @@
 		return 0;
 
 	displayconnects = 1;
-	if (!cfg) {
-		ast_log(LOG_NOTICE, "Unable to open AMI configuration manager.conf. Asterisk management interface (AMI) disabled.\n");
+	if (!cfg || cfg == CONFIG_STATUS_FILEINVALID) {
+		ast_log(LOG_NOTICE, "Unable to open AMI configuration manager.conf, or configuration is invalid. Asterisk management interface (AMI) disabled.\n");
 		return 0;
 	}