The anti-forgery token could not be decrypted
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  The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the &amp;lt;machineKey&amp;gt; configuration specifies explicit encryption and validation keys. AutoGenerate cannot be used in a cluster.
  The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the &amp;lt;machineKey&amp;gt; configuration specifies explicit encryption and validation keys. AutoGenerate cannot be used in a cluster.
The page produced by us contains an id (anitforgerytoken) - this is new each time.  
This page produced by us contains an ID (antiforgerytoken) - it is new each time.  


It is generated from the a key value on the server (machineKey).
It is generated from a key value on the server (machineKey).


If you have a webfarm (more than one frontend) this key value on the server should be the same for all servers.
If you have a webfarm (more than one frontend), this key value on the server should be the same for all servers.


When [http://asp.net/ ASP.NET] gets a postback from a page with an antiforgerytoken it tries to verify it.
When [http://asp.net/ ASP.NET] gets a postback from a page with an anti-forgery token, it tries to verify it.


The goal is to avoid someone taking an old page and re-post multiple times.
The goal is to avoid someone taking an old page and re-posting it multiple times.


If you wait really long from page gen to postback the token may expire.
If you wait for a long time from page gen to postback, the token may expire.
[[Category:MDriven Server]]
{{Edited|July|12|2024}}

Latest revision as of 07:58, 17 June 2024

The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster, ensure that all machines are running the same version of ASP.NET Web Pages and that the &lt;machineKey&gt; configuration specifies explicit encryption and validation keys. AutoGenerate cannot be used in a cluster.

This page produced by us contains an ID (antiforgerytoken) - it is new each time.

It is generated from a key value on the server (machineKey).

If you have a webfarm (more than one frontend), this key value on the server should be the same for all servers.

When ASP.NET gets a postback from a page with an anti-forgery token, it tries to verify it.

The goal is to avoid someone taking an old page and re-posting it multiple times.

If you wait for a long time from page gen to postback, the token may expire.

This page was edited 12 days ago on 06/17/2024. What links here