Connecting using Citrix sessions to the WebUi results in a "anti-forgery token" error.

Summary

Connecting using Citrix sessions to the WebUi results in a "anti-forgery token" error, this error will be present in the WebUi log file.

Symptoms

When connecting to the FlexNet Manager Suite WebUi using Citrix connecitons this fails with the following error message that can be located in the WebUi log file:

"ERROR 2015-08-24 12:30:04,559 1392268ms ClientErrors ] Client error. {
URL: http://<FNMSHostName>/Suite/
Context URL: /Suite/Management/PaymentOptimization
Line:
Referrer: http://<FNMSHostName>/Suite/
Screen dimensions: 1066x666
User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0
User language:
Platform: Win32
Cookies enabled: true
Do not track: unspecified
Message: Internal Server Error
}
[ERROR 2015-08-24 12:30:15,216 1402924ms HandleErrorAttribute ] An unhandled error occurred
System.Web.Mvc.HttpAntiForgeryException (0x80004005): The provided anti-forgery token was meant for user "<UserName1>", but the current user is "<UserName2>".
at System.Web.Helpers.AntiXsrf.TokenValidator.ValidateTokens(HttpContextBase httpContext, IIdentity identity, AntiForgeryToken sessionToken, AntiForgeryToken fieldToken)
at System.Web.Helpers.AntiXsrf.AntiForgeryWorker.Validate(HttpContextBase httpContext)
at System.Web.Mvc.ControllerActionInvoker.InvokeAuthorizationFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass25.<BeginInvokeAction>b__1e(AsyncCallback asyncCallback, Object asyncState)"

Cause

This issue is caused by a proxy server between the User and the Admin Server Caching the settings used to connect.

Resolution

The issue can be resolved by adding the FNMS Admin Server IP address to the exemption list used by the proxy server.

Additional Information

Additional information on the support browsers that can be used to access the WebUi can be located in the release notes.

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Support Hub

Product

FlexNet Manager Suite

Deployment type

On-premises

Visibility

Guest

URL Name

connecting-using-citrix-sessions-to-the-webui-results-in-a-anti-forgery-token-error