I am getting 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.
I am developing an ASP.NET application using Visual Studio 2005 and IIS on my development machine. This is all being done on my development machine, except for the database to which I am trying to connect. That database is on a server on our LAN. The application was working up until a few days ago. Then, it suddenly stopped. The site is constantly being edited, and I am not sure what, if anything, changed to cause this error. I have tried to revert back to an earlier version to see if that would fix it but, now I am getting the error with the earlier code as well.
I have a Defalut.aspx page that utilizes a master page and some user controls. The page also uses the LoginView, ...
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