blocks|key|1217972|text|如果你按照指令要求你去做的话，你就会得到一个帮助页面，它会告诉你你需要做什么。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1217973|get-help+about_signing|code-block|syntax|javascript|1217974|总之，计算机无法告诉编写脚本的人是一个值得信任的人，因此在默认情况下它不会运行任何不值得信任的脚本。解决这个问题的两种方法要么是允许来自未知来源的脚本(您通过使用Set-ExecutionPolicy+Unrestricted发现的解决方案)，要么是通过"签署“脚本来证明它来自一个可信赖的来源，并且没有被篡改，您从该来源获得了它。|offset|length|style|CODE|1217975|要对您自己的代码进行签名，您需要一个代码签名证书。请阅读该about_signing帮助，其中有一个名为CREATE+A+SELF-SIGNED+CERTIFICATE的部分，它告诉您如何执行该帮助。|1217976|获得证书后，需要对脚本进行签名。如果您再次检查相同的帮助，那么有一个名为SIGN+A+SCRIPT的部分也会告诉您如何做到这一点。|1217977|entityMap|0|LINK|mutability|MUTABLE|url|http://en.wikipedia.org/wiki/Code_signing^0|0|0|29|W|3K|2|0|0|T|D|1G|W|0|10|D|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Z|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|10|8|@$I|11|J|12|K|L]]|9|@$I|13|J|14|1|15]]|A|$]]|$1|M|3|N|5|6|7|16|8|@$I|17|J|18|K|L]|$I|19|J|1A|K|L]]|9|@]|A|$]]|$1|O|3|P|5|6|7|1B|8|@$I|1C|J|1D|K|L]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|1E|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]]]

If you did what the instructions told you to do you would have gotten a help page that would have told you exactly what you need to do.

<pre><code>get-help about_signing
</code></pre>

In summary, the computer has no way to tell that whoever wrote the script was a trustworthy person, so by default it does not run any untrustworthy scripts. The two ways to fix this is either allow scripts from unknown sources (the solution you found out about by using <code>Set-ExecutionPolicy Unrestricted</code>) or by "<a href="http://en.wikipedia.org/wiki/Code_signing" rel="nofollow noreferrer">signing</a>" the script proving it came from a trustworthy source and has not been tampered with seance you got it from that source.

To sign your own code you will need a code signing certificate. Read that <code>about_signing</code> help and there is a section called <code>CREATE A SELF-SIGNED CERTIFICATE</code> that tells you how to do it.

After you have the certificate you need to sign your script. If you check that same help again there is a section called <code>SIGN A SCRIPT</code> that tells you how to do that too.

blocks|key|1218016|text|Set-ExecutionPolicy会导致系统范围的更改。脚本是可能的安全漏洞，这就是为什么默认情况下所有脚本执行都被禁用的原因。一种可能是从命令行启动PowerShell进程，其执行策略仅适用于该特定会话。命令行如下所示：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1218017|>+powershell.exe+-ExecutionPolicy+Unrestricted+-File+"c:\test\Test.ps1"|code-block|syntax|javascript|1218018|您可以将此与签名结合起来，方法是将默认策略留给受限方，并在需要时使用RemoteSigned或AllSigned策略启动AllSigned。关于powershell.exe命令行选项的一些附加信息是这里。|1218019|entityMap|0|LINK|mutability|MUTABLE|url|http://technet.microsoft.com/en-us/library/hh847736.aspx^0|0|J|0|0|2R|2|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@]|D|@$9|Z|A|10|1|11]]|E|$]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

<code>Set-ExecutionPolicy</code> causes a system wide change. Scripts are possible security vulnerabilities, which is why all script execution is disabled by default. One possibility is to launch the PowerShell process from the command line with an execution policy that is only in effect for that specific session. The command line would be something like:

<pre><code>&gt; powershell.exe -ExecutionPolicy Unrestricted -File "c:\test\Test.ps1"
</code></pre>

You could combine this with signing by leaving the default policy to Restricted and launching PowerShell with RemoteSigned or AllSigned policy when needed. Some additional information on the powershell.exe command line options is <a href="http://technet.microsoft.com/en-us/library/hh847736.aspx" rel="nofollow noreferrer">here</a>.

I have a PowerShell script which is written by me. I try to run the PowerShell script as below;

<pre><code>PS C:\Documents and Settings\Administrator&gt;c:\test\Test.ps1
</code></pre>

So this is giving me an error saying:

<blockquote>
 File c:\test\Test.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help about_signing" for more details.
</blockquote>

I found that setting <code>Set-ExecutionPolicy Unrestricted</code> will fix the error.

But my questions are;

<ol>
<li>What is this signing is about?</li>
<li>Can we fix this error without setting <code>Set-ExecutionPolicy Unrestricted</code> (doing a signing kind of a thing)? If so, how to do that?</li>
<li>Is there a security issue arise if I set <code>Set-ExecutionPolicy Unrestricted</code> in my web server?</li>
</ol>

Alternatives to fix PowerShell error "execution of scripts is disabled on this system"

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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我有一个PowerShell脚本，它是我写的。我试图按下面的方式运行PowerShell脚本；PS C:\Documents and Settings\Administrator>c:\test\Test.ps1这让我错误地说：无法加载文件c:\test\Test.ps1，因为在此系统上已禁用了脚本的执行。有关详细信息...

问修复“在此系统上禁用脚本执行”PowerShell错误的替代方法
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