vmeesaraganda
48 posts
Registered:
19 Mar 2015
28 Apr 2015
Link to this post
Hi - We are getting the below error in our application. Could you please advise.
Server
Error in '/' Application.
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.
See http://go.microsoft.com/fwlink/?LinkID=314055 for more information.
Description: An unhandled
exception occurred during the execution of the current web request. Please
review the stack trace for more information about the error and where it
originated in the code.
Exception Details: System.Web.HttpException:
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.
See http://go.microsoft.com/fwlink/?LinkID=314055 for more information.
Source Error:
An
unhandled exception was generated during the execution of the current web
request. Information regarding the origin and location of the exception can
be identified using the exception stack trace below.