--- nsswitch/winbindd_ads.c	Fri Nov 14 03:40:36 2003
+++ nsswitch/winbindd_ads.c	Wed Mar 17 18:09:42 2004
@@ -39,7 +39,12 @@
 	ADS_STATUS status;
 
 	if (domain->private) {
-		return (ADS_STRUCT *)domain->private;
+		ads = (ADS_STRUCT *)domain->private;
+		if (ads->config.realm) {
+			return ads;
+		} else {
+			domain->private = NULL;
+		}
 	}
 
 	/* we don't want this to affect the users ccache */