Hi,
After login when i logout after 10 minutes my web application gives error (Hosted on iis):Site URL is www.shoppersonlinecub.com login Id :admin@gmail.com
and Password: 1234 ( on logout it gives 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.
unable to understand the error. Please help me.
Thanks .