Metroplus.org: Server Error in ‘/’ Application
Server Error in ‘/’ Application.
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
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 configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
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.
Stack Trace:
[ViewStateException: Invalid viewstate. Client IP: Port: 60210 Referer: http://www.metroplus.org/search/primary-care-provider Path: /CMSTemplates/SearchFrame.aspx User-Agent: Mozilla/5.0 (Windows NT 6.1; W0W64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.2214.115 Safari/537.36 ViewState: /wEPDwUKMTQyNDU2MDY0Mg8WAh4TVmFsaWRhdGVSZXFlZXN0TW9kZQIBFgDmD2QWAgIBEGRkFgYCBQ9kFg3mDxYCHgtfIUl0ZWlDb3VudAIFFgoCAQ9kFgRmDxUCBWZpcnN0FEdldCBIZWFsdGggSW5zdXDhbmNlZAIBDxYCHwECBRYKAgEPZBYCZg8VBQ> [HttpException (0x80004005): Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation a’. System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +12436256 System.Web.UI.ObjectStateFormatter.Deserialize(String inputString, Purpose purpose) +12327715 System.Web.UI.Util.DeserializeWithAssert(IStateFormatter2 formatter, String serializedState, Purpose purpose) +67 System.Web.UI.HiddenFieldPageStatePersister.Load() +12327927 System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +12580515 System.Web.UI.Page.LoadAllState() +51 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +12573463 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +12572973 System.Web.UI.Page.ProcessRequest() +119 System.Web.UI.Page.ProcessRequest(HttpContext context) +99 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +913 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +165
