11-23-05 10:52 PM
Hi Dominique,
this is not a MCMS problem but an ASP.NET issue.
The error indicates that you are running a web farm.
In order to use ASP.NET in a webfarm you need to synchornize the ASP.NET
machine keys.
See here for details:
http://support.microsoft.com/?id=312906
Cheers,
stefan
--
This posting is provided "AS IS" with no warranties, and confers no rights
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----------------------
"Dominique" <Dominique@discussions.microsoft.com> wrote in message
news:583BE6C3-BF41-49FB-B1C1-AD85092AEA7A@microsoft.com...
> Hello,
>
> Sometimes, when our webmaster are working in the authering mode, they
> receive
> a screen error: Unable to validate data.
>
> This occurs for example when they don't use page during +- 10 min. and
> they
> clic
> on the Save hyperlink in the Console or simply on the Edit Link.
>
> It seems to have a problem with the wiewstate of the page (see below the
> complete message).
>
> Thanks for help,
> Dominique
>
> Unable to validate data.
>
>
> Server Error in '/myCmsSite' Application.
> --------------------------------------------------------------------------
------
>
> Unable to validate data.
> 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: Unable to validate data.
>
> 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:
>
> [HttpException (0x80004005): Unable to validate data.]
> System.Web.Configuration.MachineKey.GetDecodedData(Byte[] buf, Byte&
#91;]
> modifier, Int32 start, Int32 length, Int32& dataLength) +195
> System.Web.UI.LosFormatter.Deserialize(String input) +60
>
> [HttpException (0x80004005): Authentication of viewstate failed. 1) I
f
> this
> is a cluster, edit <machineKey> configuration so all servers use the same
> validationKey and validation algorithm. AutoGenerate cannot be used in a
> cluster. 2) Viewstate can only be posted back to the same page. 3) The
> viewstate for this page might be corrupted.]
> System.Web.UI.LosFormatter.Deserialize(String input) +118
> System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +101
>
> [HttpException (0x80004005): Invalid_Viewstate
> Client IP: 10.241.138.33
> Port: 1526
> User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; InfoPath.1;
> .NET CLR 1.1.4322)
> ViewState:
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> Http-Referer:
> [url]http://cmssite.dbb.dexwired.net/NR/exeres/041B1590-FE70-4315-B3A8-1FA1B873D6B0,f
rameless.htm?NRMODE=Unpublished&WBCMODE=PresentationUnpublished&wbc_purpose=Basic[
/url]
> Path: /wwwdexiabe/Templates/Particulier/ContentNl.aspx.]
> System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +442
> System.Web.UI.Page.LoadPageViewState() +18
> System.Web.UI.Page.ProcessRequestMain() +447
>
>
>
>
> --------------------------------------------------------------------------
------
> Version Information: Microsoft .NET Framework Version:1.1.4322.2032;
> ASP.NET
> Version:1.1.4322.2032 ve
>
> Any idea on the cause of the problem?
>
>
>
>
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