---
title: "MSSQLSERVER_12304 | Microsoft Docs"
ms.custom: ""
ms.date: "04/04/2017"
ms.prod: sql
ms.reviewer: ""
ms.technology: supportability
ms.topic: "language-reference"
helpviewer_keywords: 
  - "12304 (Database Engine error)"
ms.assetid: a2c252c2-e815-4ac8-a101-7af5b32e3233
author: MashaMSFT
ms.author: mathoma
---
# MSSQLSERVER_12304
[!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)]
  
## Details  
  
|||  
|-|-|  
|Product Name|SQL Server|  
|Event ID|12304|  
|Event Source|MSSQLSERVER|  
|Component|SQLEngine|  
|Symbolic Name|HK_UNSUPPORTED_IDENTITY_TABLE_VAR|  
|Message Text|Using a memory optimized table type that uses the IDENTITY property with any of its columns is not supported when using the type outside the context of a natively compiled stored procedure.|  
  
## User Action  
Do not use a memory-optimized table type that uses the identity property with any of its columns.  
  
## See Also  
[In-Memory OLTP (In-Memory Optimization)](~/relational-databases/in-memory-oltp/in-memory-oltp-in-memory-optimization.md)