| title |
MSSQLSERVER_12301 | Microsoft Docs |
| ms.custom |
|
| ms.date |
03/06/2017 |
| ms.prod |
sql-server-2014 |
| ms.reviewer |
|
| ms.technology |
supportability |
| ms.topic |
conceptual |
| helpviewer_keywords |
12301 (Database Engine error) |
|
| ms.assetid |
69455df4-4ce9-4a6f-af5a-8bbc93e21245 |
| author |
MashaMSFT |
| ms.author |
mathoma |
| manager |
craigg |
|
|
| Product Name |
SQL Server |
| Event ID |
12301 |
| Event Source |
MSSQLSERVER |
| Component |
SQLEngine |
| Symbolic Name |
HK_UNSUPPORTED_NULLABLE_COLUMNS |
| Message Text |
Nullable columns in the index key are not supported with 'construct'. |
Do not use nullable columns in the index key.
In-Memory OLTP (In-Memory Optimization)