---
title: "MSSQLSERVER_12306 | Microsoft Docs"
ms.custom: ""
ms.date: "03/06/2017"
ms.prod: "sql-server-2014"
ms.reviewer: ""
ms.technology: supportability
ms.topic: conceptual
helpviewer_keywords: 
  - "12306 (Database Engine error)"
ms.assetid: 1f83d927-a215-4e43-98a9-4dab9d6e68bb
author: MashaMSFT
ms.author: mathoma
manager: craigg
---
# MSSQLSERVER_12306
    
## Details  
  
|||  
|-|-|  
|Product Name|SQL Server|  
|Event ID|12306|  
|Event Source|MSSQLSERVER|  
|Component|SQLEngine|  
|Symbolic Name|HK_UNSUPPORTED_CURSOR|  
|Message Text|Cursors are not supported with '*construct*'.|  
  
## User Action  
 Do not use cursors.  
  
## See Also  
 [In-Memory OLTP (In-Memory Optimization)](../in-memory-oltp/in-memory-oltp-in-memory-optimization.md)