--- title: "LOCALDB_ERROR_UNKNOWN_VERSION | Microsoft Docs" ms.custom: "" ms.date: "03/04/2017" ms.prod: sql ms.reviewer: "" ms.technology: performance ms.topic: "reference" ms.assetid: f2a04023-ed42-4516-b59c-7a1b8a5395d4 author: stevestein ms.author: sstein --- # LOCALDB_ERROR_UNKNOWN_VERSION [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)] ## Details ||| |-|-| |Product Name|SQL Server| |Event ID|269| |Event Source|SQL Server Local Database Runtime 12.0| |Component|Local Database Runtime API| |Message Text|The specified Local Database version is not available on this computer.| ## Explanation The specified version is not available. ## User Action Install the requested version of the Local Database Runtime.