Viewstate MAC失败消息 [英] Viewstate MAC failure message

问题描述

托管网站后，一次访问两个或多个成员时，出现此错误:

After hosting a web site, when accessing two or more members at a time, I get this error:

Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machinekey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster. 

推荐答案

您可以通过在页面指令中添加EnableViewStateMac="false"来关闭此验证.
真正的问题是什么导致了错误，而您没有提供太多信息.

You can turn off this validation by adding EnableViewStateMac="false" to your page directive.
The real question is what''s causing the error and you didn''t provide much info.

如果此应用程序由Web Farm或群集托管，请确保< machinekey>配置指定相同的validationKey和验证算法. AutoGenerate无法在群集中使用."我们查看了该错误，并意识到我们需要创建一个静态机器密钥并将其添加到两个IIS7 Web服务器的web.config中，以解决此问题. > 在web.config中添加以下代码.

If this application is hosted by a Web Farm or cluster, ensure that <machinekey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster" . We looked at the error and realised that we need to create a static machinekey and add it into the web.config of both our IIS7 web servers to fix the issue.
Add following code in web.config.

<machinekey validationkey="AutoGenerate,IsolateApps" decryptionkey="AutoGenerate,IsolateApps">
						validation="SHA1" decryption="Auto" /></machinekey>

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