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Unable To Validate Data Formsauthentication Decrypt

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All help is appreciated. The problem continues! asked 7 years ago viewed 22169 times active 1 year ago Related 11Strange unhandled exception from asp.net application - Validation of viewstate MAC failed10ASP.NET: Unable to validate data9Does This ASP.NET Consultant Dec 21, 2007 03:54 AM|erdsah88|LINK ctsears.............really good answer. http://justjoomla.net/unable-to/illegalargumentexception-unable-to-locate-adb.html

This only recently started happening all of a sudden andI can't figure out what is causing this,I never had this problem in other asp.net applications that I developed. Jan 19, 2007 02:49 AM|e_screw|LINK There is a fix for this at http://support.microsoft.com/default.aspx/kb/842791 Thanks Mark post(s) as "Answer" that helped you Electronic Screw Website||Blog||[email protected] Reply dev29 None 0 Points 66 Posts Privacy Policy Support Terms of Use My logs are full of these exceptions, so I'd like them to be handled on the .NET side before it even gets to the logging software.

Unable To Validate Data Formsauthentication Decrypt

At my Development Server: The application installed successfully, lets me log in successfully, and I could see the first screen and navigate to all other screens with out issues. If your MachineKey entry in the Web.config file ends with xmlns="" Then you will also suffer this error. Aug 28, 2006 03:17 PM|miglas|LINK The production environment is just a single machine.

and I have one problem,I often got "Unable to validate data" error. asked 8 years ago viewed 33743 times active 5 years ago Visit Chat Linked 2 Validation of viewstate MAC failed 4 How do I prevent exceptions from half-loaded pages' form submission Any help is much appreciated. Iis 7.5 Unable To Validate Data Assassinate a semi-omniscient crime lord How much information to provide to my boss when taking a self-reported sick day?

share|improve this answer answered Apr 2 '09 at 21:07 MattK311 507215 add a comment| up vote 1 down vote Not sure if this would help anyone, but my solution was the System.web.configuration.machinekeysection.encryptordecryptdata(boolean Fencrypt You might use the AutoGenerate option too to enable/disable autogeneration of key during runtime. Add X Y Data not populating attribute table Examples of events that are unpredictable as a matter of principle? http://stackoverflow.com/questions/140303/asp-net-unable-to-validate-data 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

Member 4 Points 23 Posts System.Web.HttpException: Unable to validate data. Generate Machine Key A case like this could easily cost hundreds of thousands of dollars. Member 4 Points 23 Posts Re: System.Web.HttpException: Unable to validate data. http://social.msdn.microsoft.com/Forums/en-US/clr/thread/7a62c936-b3cc-4493-a3cd-cc5fd18b6b2a/ Marked as answer by dou2ble Monday, March 28, 2011 4:52 PM Monday, March 28, 2011 4:52 PM Reply | Quote All replies 0 Sign in to vote Few things you

System.web.configuration.machinekeysection.encryptordecryptdata(boolean Fencrypt

Dec 03, 2009 09:23 AM|mkamoski|LINK e_screw This like should help you http://blog.g9th.com/2007/01/14/unable-to-validate-data-at-systemwebconfigurationmachinekeysectiongetdecodeddata.aspx That link is dead. https://social.technet.microsoft.com/Forums/office/en-US/803ed3f8-8691-46ad-8311-470762a13635/httpexception-0x80004005-unable-to-validate-data?forum=sharepointgenerallegacy Please review the stack trace for more information about the error and where it originated in the code. Unable To Validate Data Formsauthentication Decrypt If a user stops a postback (usually by hitting the back button or stop button in the browser), not all the data is sent back to the server. Asp Net Membership Getpassword Unable To Validate Data The error still occurs.

share|improve this answer edited Jun 3 '10 at 4:31 answered Jun 3 '10 at 4:21 ileon 1,36211723 add a comment| up vote 2 down vote I got this error when I this content Please suggest me some points that might be useful to all.I didnt found anything more to write. That happens because the key used to encrypt/decrypt view state got changed. Privacy Statement| Terms of Use| Contact Us| Advertise With Us| CMS by Umbraco| Hosted on Microsoft Azure Feedback on ASP.NET| File Bugs| Support Lifecycle Blog Sign in Join ASP.NET Home Get Sitecore Unable To Validate Data

Related 276The breakpoint will not currently be hit. Does this sentence make sense? (I reformed the cloth into a dress.) Asking questions in class: How to avoid "exiting" a Q&A I don't understand Mocking introduces handling in production code I tried all above suggestions, but to no avail. weblink Information regarding the origin and location of the exception can be identified using the exception stack trace below.

BLEEPINGCOMPUTER NEEDS YOUR HELP! The requests are from different logged users, with different IPs, so they arent bots I am using ASP.NET 2.0 The page in question contains one grid view, several link buttons and I missed this.

Solution Fix the key in your web.config file, so that only one key is used to encrypt and decrypt the viewstate data.

I tried disabling the firewall but that did not help.I have researched this problem online, but all the solutions I have found are directed to the webmaster. They navigated away from the page or stopped the postback and got exactly what they asked for. I didnt came across this very recently. What else could be thecause?

share|improve this answer edited Sep 26 '08 at 17:07 answered Sep 26 '08 at 16:21 Chris Van Opstal 22.6k65482 1 Thanks, especially for the MS article. –wprl Sep 26 '08 Do hydrogen not bound to a C also appear on 1H NMR Spectra? Please review the stack trace for more information about the error and where it originated in the code. check over here turning off Response.Buffer had no effect on the controls loading in a buffered manner on the page.

Voila, this cures the problem. Just place the following between the system.web section and the site starts working. Other potential causes: An application pool recycling between the time the viewstate was generated and the time that the user posts it back to the server (unlikely). If the event originated on another computer, the display information had to be saved with the event. But dozen times a day, it generates exception "Unable to validate data.".

Regards, -- Bojan Jovicic [email protected] www.bojanjovicic.com Reply e_screw Star 9619 Points 3854 Posts Re: System.Web.HttpException: Unable to validate data. Description: An unhandled exception occurred during the execution of the current web request.