diff --git a/NEWS b/NEWS
index aa18069b429340a1f7f6a99c805fb9829a61046c..84b115ac514521449d562a53857a3f0e85029459 100644
--- a/NEWS
+++ b/NEWS
@@ -37,6 +37,7 @@ documents those changes that are of interest to users and administrators.
  -- In proctrack/linuxproc and proctrack/pgid, check the result of strtol()
     for error condition rather than errno, which might have a vestigial error
     code.
+ -- Improve information recording for jobs deferred due to advanced reservation.
 
 * Changes in Slurm 14.11.1
 ==========================
diff --git a/src/common/slurm_errno.c b/src/common/slurm_errno.c
index 28f338a9fba1328e4829a107880a82419d9ce481..a3038f17d0174dc9e2c979996f2ec1c4cfd705eb 100644
--- a/src/common/slurm_errno.c
+++ b/src/common/slurm_errno.c
@@ -261,7 +261,7 @@ static slurm_errtab_t slurm_errtab[] = {
 	{ ESLURM_QOS_PREEMPTION_LOOP,
 	  "QOS Preemption loop detected"                	},
 	{ ESLURM_NODE_NOT_AVAIL,
-	  "Required node not available (down or drained)"	},
+	  "Required node not available (down, drained or reserved)"},
 	{ ESLURM_INVALID_CPU_COUNT,
 	  "CPU count specification invalid"             	},
 	{ ESLURM_PARTITION_NOT_AVAIL,
diff --git a/src/slurmctld/node_scheduler.c b/src/slurmctld/node_scheduler.c
index 9dbf91f1ba4053d55e2d5e20d06d52939151c7cb..7b3f3923633efcca7be182c6dd5a4989b2a7c875 100644
--- a/src/slurmctld/node_scheduler.c
+++ b/src/slurmctld/node_scheduler.c
@@ -772,9 +772,17 @@ _get_req_features(struct node_set *node_set_ptr, int node_set_size,
 			return ESLURM_NODES_BUSY;	/* reserved */
 		} else if (resv_bitmap &&
 			   (!bit_equal(resv_bitmap, avail_node_bitmap))) {
+			int cnt_in, cnt_out;
+			cnt_in = bit_set_count(avail_node_bitmap);
 			bit_and(resv_bitmap, avail_node_bitmap);
 			save_avail_node_bitmap = avail_node_bitmap;
 			avail_node_bitmap = resv_bitmap;
+			cnt_out = bit_set_count(avail_node_bitmap);
+			if (cnt_in != cnt_out) {
+				debug2("Advanced reservation removed %d nodes "
+				       "from consideration for job %u",
+				       (cnt_in - cnt_out), job_ptr->job_id);
+			}
 			resv_bitmap = NULL;
 		} else {
 			FREE_NULL_BITMAP(resv_bitmap);