diff -urp a/source3/rpc_server/spoolss/srv_spoolss_nt.c b/source3/rpc_server/spoolss/srv_spoolss_nt.c
--- a/source3/rpc_server/spoolss/srv_spoolss_nt.c	2011-10-29 12:03:49.000000000 -0400
+++ b/source3/rpc_server/spoolss/srv_spoolss_nt.c	2011-10-29 12:07:40.000000000 -0400
@@ -295,6 +295,7 @@ static void srv_spoolss_replycloseprinte
 
 	if (prn_hnd->notify.cli_chan) {
 		prn_hnd->notify.cli_chan->active_connections--;
+		prn_hnd->notify.cli_chan = NULL;
 	}
 }