diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index dbf572e0667b..871ae21870be 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1521,7 +1521,7 @@ core_scsi3_decode_spec_i_port(
 	tidh_new = kzalloc(sizeof(struct pr_transport_id_holder), GFP_KERNEL);
 	if (!tidh_new) {
 		pr_err("Unable to allocate tidh_new\n");
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 	}
 	INIT_LIST_HEAD(&tidh_new->dest_list);
 	tidh_new->dest_tpg = tpg;
@@ -1533,7 +1533,7 @@ core_scsi3_decode_spec_i_port(
 				sa_res_key, all_tg_pt, aptpl);
 	if (!local_pr_reg) {
 		kfree(tidh_new);
-		return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 	}
 	tidh_new->dest_pr_reg = local_pr_reg;
 	/*
@@ -1553,7 +1553,7 @@ core_scsi3_decode_spec_i_port(
 
 	buf = transport_kmap_data_sg(cmd);
 	if (!buf) {
-		ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 		goto out;
 	}
 
@@ -1767,7 +1767,7 @@ core_scsi3_decode_spec_i_port(
 			core_scsi3_nodeacl_undepend_item(dest_node_acl);
 			core_scsi3_tpg_undepend_item(dest_tpg);
 			kfree(tidh_new);
-			ret = TCM_INVALID_PARAMETER_LIST;
+			ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 			goto out_unmap;
 		}
 		tidh_new->dest_pr_reg = dest_pr_reg;
@@ -2103,7 +2103,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key,
 					register_type, 0)) {
 				pr_err("Unable to allocate"
 					" struct t10_pr_registration\n");
-				return TCM_INVALID_PARAMETER_LIST;
+				return TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 			}
 		} else {
 			/*
@@ -3215,7 +3215,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
 	 */
 	buf = transport_kmap_data_sg(cmd);
 	if (!buf) {
-		ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 		goto out_put_pr_reg;
 	}
 
@@ -3267,7 +3267,7 @@ core_scsi3_emulate_pro_register_and_move(struct se_cmd *cmd, u64 res_key,
 
 	buf = transport_kmap_data_sg(cmd);
 	if (!buf) {
-		ret = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+		ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 		goto out_put_pr_reg;
 	}
 	proto_ident = (buf[24] & 0x0f);
@@ -3466,7 +3466,7 @@ after_iport_check:
 		if (core_scsi3_alloc_registration(cmd->se_dev, dest_node_acl,
 					dest_lun, dest_se_deve, dest_se_deve->mapped_lun,
 					iport_ptr, sa_res_key, 0, aptpl, 2, 1)) {
-			ret = TCM_INVALID_PARAMETER_LIST;
+			ret = TCM_INSUFFICIENT_REGISTRATION_RESOURCES;
 			goto out;
 		}
 		spin_lock(&dev->dev_reservation_lock);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 836d552b0385..190f3ba23707 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3145,6 +3145,21 @@ static const struct sense_info sense_info_table[] = {
 		.key = NOT_READY,
 		.asc = 0x08, /* LOGICAL UNIT COMMUNICATION FAILURE */
 	},
+	[TCM_INSUFFICIENT_REGISTRATION_RESOURCES] = {
+		/*
+		 * From spc4r22 section5.7.7,5.7.8
+		 * If a PERSISTENT RESERVE OUT command with a REGISTER service action
+		 * or a REGISTER AND IGNORE EXISTING KEY service action or
+		 * REGISTER AND MOVE service actionis attempted,
+		 * but there are insufficient device server resources to complete the
+		 * operation, then the command shall be terminated with CHECK CONDITION
+		 * status, with the sense key set to ILLEGAL REQUEST,and the additonal
+		 * sense code set to INSUFFICIENT REGISTRATION RESOURCES.
+		 */
+		.key = ILLEGAL_REQUEST,
+		.asc = 0x55,
+		.ascq = 0x04, /* INSUFFICIENT REGISTRATION RESOURCES */
+	},
 };
 
 static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason)
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 516764febeb7..d3139a95ea77 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -181,6 +181,7 @@ enum tcm_sense_reason_table {
 	TCM_UNSUPPORTED_TARGET_DESC_TYPE_CODE	= R(0x1a),
 	TCM_TOO_MANY_SEGMENT_DESCS		= R(0x1b),
 	TCM_UNSUPPORTED_SEGMENT_DESC_TYPE_CODE	= R(0x1c),
+	TCM_INSUFFICIENT_REGISTRATION_RESOURCES	= R(0x1d),
 #undef R
 };