401 - Unauthorized: Access is denied due to invalid

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使用Windows集成验证，不管使用IIS还是IIS express，当同一个域进行访问时，可能出现401错误，错误的处理办法：

1. IIS（摘自MSDN的）

IIS 7 was difficult for figuring out why i was getting the 401 - Unauthorized: Access is denied due to invalid credentials... until i did this...

1.) Open IIS and select the website that is causing the 401

2.) Open the "Authentication" property under the "IIS" header

3.) Click the "Windows Authentication" item and click "Providers"

4.) For me the issue was that Negotiate was above NTLM. I assume that there was some kind of handshake going on behind the scenes, but i was never really authenticated. I moved the NTLM to the top most spot, and BAM that fixed it.

 

2.IIS express

相应的IIS express你必须找到其配置文件:C:\Users\v-xiaofz\Documents\IISExpress\config\applicationhost.config

然后设置如下：

<authentication>

<anonymousAuthentication enabled="false" userName="" />

<basicAuthentication enabled="false" />

<clientCertificateMappingAuthentication enabled="false" />

<digestAuthentication enabled="false" />

<iisClientCertificateMappingAuthentication enabled="false">
< /iisClientCertificateMappingAuthentication>

< windowsAuthentication enabled="true">
< providers>
<add value="NTLM" />
< add value="Negotiate" />
< /providers>
< /windowsAuthentication>

< /authentication>

上面红色部分非常关键，出现401错误就是因为两个交换位置了

401 - Unauthorized: Access is denied due to invalid,布布扣,bubuko.com

401 - Unauthorized: Access is denied due to invalid

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原文地址：http://www.cnblogs.com/Jin-1007/p/3765157.html