blocks|key|335724|text|当所有其他操作失败并且您不关心数据丢失时，请删除并重新创建LocalDB\v11.0数据库！在命令提示符下|type|unstyled|depth|inlineStyleRanges|entityRanges|data|335725|sqllocaldb+delete+v11.0
sqllocaldb+create+v11.0|code-block|syntax|javascript|335726|(Sqllocaldb在您的路径中，对吗？是给我的。)|335727|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

When all else fails and you don't care about data loss, delete and recreate your LocalDB\v11.0 database! At the command prompt 

<pre><code>sqllocaldb delete v11.0
sqllocaldb create v11.0
</code></pre>

(Sqllocaldb is in your PATH right? It was for me.)

blocks|key|4539715|text|我也收到了一个类似的错误，但是当我运行时|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4539716|sqllocaldb+start|code-block|syntax|javascript|4539717|本地数据库已成功启动。另外，在检查事件日志时，我看到了一个沿着|4539718|Windows调用WaitForMultipleObjects返回错误代码:+575
|blockquote|4539719|4539720|是什么帮我修好的：|4539721|在IIS中，将应用程序池配置为在具有服务器上DB权限的帐户下运行(应用程序池的高级选项)|ordered-list-item|4539722|在应用程序池的高级选项中，将加载用户配置文件设置为true|offset|length|style|BOLD|4539723|4539724|4539725|参考资料：http://blogs.msdn.com/b/sqlexpress/archive/2011/12/09/using-localdb-with-full-iis-part-1-user-profile.aspx|4539726|entityMap|0|LINK|mutability|MUTABLE|url|http://blogs.msdn.com/b/sqlexpress/archive/2011/12/09/using-localdb-with-full-iis-part-1-user-profile.aspx^0|0|0|0|0|0|0|0|E|8|P|4|0|0|0|5|2Y|0|0^^$0|@$1|2|3|4|5|6|7|19|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1A|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1B|8|@]|9|@]|A|$]]|$1|I|3|J|5|K|7|1C|8|@]|9|@]|A|$]]|$1|L|3|-4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|1E|8|@]|9|@]|A|$]]|$1|O|3|P|5|Q|7|1F|8|@]|9|@]|A|$]]|$1|R|3|S|5|Q|7|1G|8|@$T|1H|U|1I|V|W]|$T|1J|U|1K|V|W]]|9|@]|A|$]]|$1|X|3|-4|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Y|3|-4|5|6|7|1M|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|1N|8|@]|9|@$T|1O|U|1P|1|1Q]]|A|$]]|$1|11|3|-4|5|6|7|1R|8|@]|9|@]|A|$]]]|12|$13|$5|14|15|16|A|$17|18]]]]

I was getting a similar error, but when running 

<pre><code>sqllocaldb start
</code></pre>

The local db started successfully. Also when checking the event log I saw an error along the lines of 

<blockquote>
 Windows API call WaitForMultipleObjects returned error code: 575
</blockquote>

What fixed it for me: 

<ol>
<li>In IIS, configure the app pool to run under an account with permissions to the DB on the server (advanced options of the app pool)</li>
<li>In the advanced option of the app pool, set Load User Profile to true</li>
</ol>

Reference: <a href="http://blogs.msdn.com/b/sqlexpress/archive/2011/12/09/using-localdb-with-full-iis-part-1-user-profile.aspx" rel="noreferrer">http://blogs.msdn.com/b/sqlexpress/archive/2011/12/09/using-localdb-with-full-iis-part-1-user-profile.aspx</a>

blocks|key|4560002|text|同样值得查看的是LocalDB日志文件，它比事件日志更详细：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4560003|%25LocalAppData%25\Microsoft\Microsoft+SQL+Server+Local+DB\Instances\ProjectsV12\error.log|code-block|syntax|javascript|4560004|除了重新创建实例之外，我还必须删除该文件夹的内容：|4560005|%25LocalAppData%25\Microsoft\VisualStudio\SSDT\|4560006|这是我有mdf和ldf文件的地方。|4560007|entityMap^0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|Q|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|S|8|@]|9|@]|A|$]]|$1|M|3|-4|5|6|7|T|8|@]|9|@]|A|$]]]|N|$]]

It worths looking at LocalDB log files too, it is more detailed than event log:

<pre><code>%LocalAppData%\Microsoft\Microsoft SQL Server Local DB\Instances\ProjectsV12\error.log
</code></pre>

Besides recreating the instance I had to delete the content of this folder:

<pre><code>%LocalAppData%\Microsoft\VisualStudio\SSDT\
</code></pre>

This is where I have the mdf and ldf files.

blocks|key|4539768|text|我的解决方案：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4539769|转到：%25LocalAppData%25\Microsoft\Microsoft+SQL+Server+Local+DB\，并允许everyone组完全控制文件夹的“实例”。|offset|length|style|CODE|4539770|我知道这是不好的，但它解决了我的问题，我并不真正关心该文件夹的数据，因为这是一台开发和测试的计算机。|4539771|entityMap^0|0|3|1J|1Q|8|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|M|8|@$D|N|E|O|F|G]|$D|P|E|Q|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|R|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|K|$]]

My solution:

Go to: <code>%LocalAppData%\Microsoft\Microsoft SQL Server Local DB\</code> and allow total control of the folder "Instances" to <code>everyone</code> group.

I know this is not OK but it solved my problem and i don't really care about the data of that folder as this is a developing and testing computer.

blocks|key|335861|text|这里也有同样的问题。下面是我使用这里发布的其他解决方案中的一些部分来修复它的方法。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|335862|我在应用程序事件日志中出现了许多这样的错误：|335863|Windows+API+call+WaitForMultipleObjects+returned+error+code:+575.+Windows+system+error+message+is:+{Application+Error}
The+application+was+unable+to+start+correctly+(0x%25lx).+Click+OK+to+close+the+application.
Reported+at+line:+3730.+|code-block|syntax|javascript|335864|我意识到我在我的开发机器上安装了，但是没有其他SQL组件。我从SQL安装了数据库引擎、共享组件和localdb。|335865|https://www.microsoft.com/en-us/cloud-platform/sql-server-editions-express|offset|length|335866|安装之后，我仍然在事件日志中得到相同的错误:(|335867|找到本文：Cannot+start+LocalDB|335868|在cmd中运行以下命令以获取localdb实例名:+C:>+sqllocaldb信息|335869|在我的安装中，我有:+MSSQLLocalDB+ProjectsV13|335870|我运行了以下命令来删除这些实例：|335871|sqllocaldb+delete+MSSQLLocalDB
sqllocaldb+delete+ProjectsV13|335872|我遇到了试图删除/创建这些(sqllocaldb，delete+MSSQLLocalDB)的问题。最后，我删除了‘%25LocalAppData%25\Microsoft\\Instance*’下的所有文件夹和文件(您需要停止sqlserver并杀死所有sqlserver进程)|335873|然后运行创建的sqllocaldb+create并启动默认实例和所有文件。|335874|entityMap|0|LINK|mutability|MUTABLE|url|1|https://stackoverflow.com/questions/13287252/cannot-start-localdb^0|0|0|0|0|0|22|0|0|0|5|K|1|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|1E|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|1F|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|1G|8|@]|9|@]|A|$]]|$1|K|3|L|5|6|7|1H|8|@]|9|@$M|1I|N|1J|1|1K]]|A|$]]|$1|O|3|P|5|6|7|1L|8|@]|9|@]|A|$]]|$1|Q|3|R|5|6|7|1M|8|@]|9|@$M|1N|N|1O|1|1P]]|A|$]]|$1|S|3|T|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1R|8|@]|9|@]|A|$]]|$1|W|3|X|5|6|7|1S|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|F|7|1T|8|@]|9|@]|A|$G|H]]|$1|10|3|11|5|6|7|1U|8|@]|9|@]|A|$]]|$1|12|3|13|5|6|7|1V|8|@]|9|@]|A|$]]|$1|14|3|-4|5|6|7|1W|8|@]|9|@]|A|$]]]|15|$16|$5|17|18|19|A|$1A|L]]|1B|$5|17|18|19|A|$1A|1C]]]]

Same problem here. Here's how I fixed it using bits of the other solutions posted here.

I had dozens of these errors in the application event log:

<pre><code>Windows API call WaitForMultipleObjects returned error code: 575. Windows system error message is: {Application Error}
The application was unable to start correctly (0x%lx). Click OK to close the application.
Reported at line: 3730. 
</code></pre>

I realized that I had SQL Server Management Studio installed on my development machine, but no other SQL components. I installed the database engine, shared components, and localdb from SQL Express

<a href="https://www.microsoft.com/en-us/cloud-platform/sql-server-editions-express" rel="noreferrer">https://www.microsoft.com/en-us/cloud-platform/sql-server-editions-express</a> 

After installing, I still get the same error in event log :(

Found this article:
<a href="https://stackoverflow.com/questions/13287252/cannot-start-localdb">Cannot start LocalDB</a>

Run the following in cmd to get the localdb instance name:
C:> sqllocaldb info

In my install, I had: 
MSSQLLocalDB
ProjectsV13

I ran the following to delete the instances: 

<pre><code>sqllocaldb delete MSSQLLocalDB
sqllocaldb delete ProjectsV13
</code></pre>

I ran into issues trying to delete/create these (sqllocaldb delete MSSQLLocalDB). I ended up deleting all of the folders and files under '%LocalAppData%\Microsoft\Microsoft SQL Server Local DB\Instances*' (You need to stop SQL Server and kill all sqlserver processes)

Then running 'sqllocaldb create' created and started the default instance and all files.

blocks|key|335901|text|突然间也出现了这个问题，但在日志中没有发现什么奇怪的东西。能够通过在管理员命令提示符中运行以下来使其运行|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|335902|sqllocaldb+start|code-block|syntax|javascript|335903|entityMap^0|1B|5|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

Had this issue suddenly too but saw nothing weird in logs. Was able to get it running by running the following in an administrator command prompt:
<pre><code>sqllocaldb start
</code></pre>

blocks|key|4560085|text|我有过这个问题。我试图通过应用程序使用Windows身份验证，但IIS应用程序池凭据是错误的。我使用我的Windows用户名(即：NETWORK\name)作为我的身份，但是我将它更改为内置的"LocalSystem“，并且它起了作用。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4560086|entityMap^0|1T|C|2P|B|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]|$9|K|A|L|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|M|8|@]|D|@]|E|$]]]|G|$]]

I had this issue. I was trying to use Windows Authentication through an application, but the IIS App Pool credentials were wrong. I was using my Windows user name (ie: <code>NETWORK\name</code>) as my identity, but I changed it to the built-in "<code>LocalSystem</code>" and it worked.

blocks|key|4539676|text|您应该检查事件日志以获得其他信息。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4539677|产品名称
SQL+Server
产品版本+11.0
产品版本号事件ID
二六六
事件源
Server本地数据库运行时11.0
组件
本地数据库运行时API
消息文本
本地数据库实例启动时发生错误:+Server进程启动失败。
Server进程已启动，但Server启动失败。
用户操作查看事件日志以获得详细信息。
|blockquote|offset|length|style|BOLD|4539678|4539679|来源：http://msdn.microsoft.com/en-us/library/hh256140.aspx|4539680|entityMap|0|LINK|mutability|MUTABLE|url|http://msdn.microsoft.com/en-us/library/hh256140.aspx^0|0|0|4|G|4|V|4|14|3|1R|2|26|4|3U|4|0|0|3|1H|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|U|8|@$E|V|F|W|G|H]|$E|X|F|Y|G|H]|$E|Z|F|10|G|H]|$E|11|F|12|G|H]|$E|13|F|14|G|H]|$E|15|F|16|G|H]|$E|17|F|18|G|H]]|9|@]|A|$]]|$1|I|3|-4|5|6|7|19|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|1A|8|@]|9|@$E|1B|F|1C|1|1D]]|A|$]]|$1|L|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|M|$N|$5|O|P|Q|A|$R|S]]]]

You should check the Event Log for additional information. 

<blockquote>
 Product Name 
 SQL Server
 
 Product Version
 11.0
 
 Product Build Number 
 
 Event ID 
 266
 
 Event Source 
 SQL Server Local Database Runtime 11.0
 
 Component 
 Local Database Runtime API
 
 Message Text 
 Error occurred during Local Database instance startup: SQL Server
 process failed to start. 
 
 Explanation
 A SQL Server process is started but SQL Server startup failed. 
 
 User Action
 See the event log for details.
</blockquote>

Source: <a href="http://msdn.microsoft.com/en-us/library/hh256140.aspx" rel="nofollow">http://msdn.microsoft.com/en-us/library/hh256140.aspx</a>

blocks|key|335795|text|在Windows+10上出现此问题时，我们的应用程序运行时启用了Windows+8的兼容性。关闭兼容性设置修复了它。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|335796|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

Had this issue on Windows 10 when our application was run with compatibility for Windows 8 enabled. Turning off the compatibility setting fixed it.

blocks|key|335905|text|在你尝试一些激烈的事情之前：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|335906|在等待了大约5分钟后，它“痊愈了”自己。|335907|(可能这就是这条日志消息所指向的：“RANU实例响应其内部超时而终止”)|335908|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|H|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|I|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|J|8|@]|9|@]|A|$]]|$1|F|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|G|$]]

Before you try something drastic:
After waiting for about 5 minutes it &quot;healed&quot; itself.
(May be this is what this log message is pointing at: &quot;The RANU instance is terminating in response to its internal time out&quot;)

blocks|key|4539894|text|我还不能在这里评论文章，但我真的想给出一个提示，在我的例子中，下面这个非常有用的帖子是https://stackoverflow.com/a/30298863/8015089：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|4539895|如果您的LocalDB实例是由Windows系统用户运行的(在我的例子中是这样的)，那么error.log的路径是这样的(MSSQLServer2012Express+LocalDB+on+Win11)：C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Microsoft+SQL+Server+Local+DB\Instances\<InstanceName>+(按子文件夹输入这个路径子文件夹以避免访问问题！)|style|BOLD|CODE|4539896|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/30298863/8015089^0|17|18|0|0|F|B|18|9|2U|3B|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@$A|R|B|S|1|T]]|C|$]]|$1|D|3|E|5|6|7|U|8|@$A|V|B|W|F|G]|$A|X|B|Y|F|H]|$A|Z|B|10|F|H]]|9|@]|C|$]]|$1|I|3|-4|5|6|7|11|8|@]|9|@]|C|$]]]|J|$K|$5|L|M|N|C|$O|P]]]]

I can not yet comment posts here but I really want to give a hint for the in my case extremely helpful post <a href="https://stackoverflow.com/a/30298863/8015089">https://stackoverflow.com/a/30298863/8015089</a> above:
If your LocalDB instance is run by the Windows SYSTEM user (as in my case) the path to <code>error.log</code> is this (MS SQL Server 2012 Express LocalDB on Win11): <code>C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\&lt;InstanceName&gt;</code> (enter this path subfolder by subfolder to avoid access problems!)

Cannot start LocalDB instance, I have installed and re-installed over and over.
Keep getting this error :
<blockquote>
Start of LocalDB instance &quot;v11.0&quot; failed because of the following error:
Error occurred during LocalDB instance startup: SQL Server process failed to start.
</blockquote>
Anyone any advice ? ?
Microsoft SQL Server 2012, i have ensured the FULL installation options, stopped all services SQL related and tried restarting .
<pre><code>sqllocaldb info 
</code></pre>
gives me :
<blockquote>
Projects
v11.0
</blockquote>
when i try
<pre><code>sqllocaldb start v11.0
</code></pre>
I get the above error.

Cannot start LocalDB

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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无法启动LocalDB实例，我已经安装并重新安装了一遍又一遍.继续得到这个错误：LocalDB实例"v11.0“的启动失败，原因是以下错误: LocalDB实例启动过程中发生的错误: Server进程启动失败。有什么建议吗？Microsoft 2012，我确保了完整的安装选项，停止了与SQL相关的所有服务，并尝试重新启动。sqllocaldb info 给我：项目v11.0当我尝试sqllocal

问无法启动LocalDB
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回答 11

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回答 11

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问无法启动LocalDB
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