The machinekey and decryptionKey was the same in all web.config but some web.config had
Update: Microsoft article on the issue. Initially we disabled the ViewStateMac property (enableViewStateMac="false" in the page directive) to solve it, but this is not a true solution to the problem and can threaten data integrity. Exception Error Message: Unable to validate data. Asp Net Membership Getpassword Unable To Validate Data At least, sharing this experience might be helpful to some.
What are Iron nuggets and what can they be used for? The exact error is (french server) : Code de l'événement: 3012 Message d'événement: Une erreur s'est produite lors du traitement d'une requête de ressource de script ou Web. As a whole, your article-explanation still fits my observations except I am now looking to understand as to why the decryption key at Virtual Directory (different from that at the machine.config) http://stackoverflow.com/questions/140303/asp-net-unable-to-validate-data That is perhaps why you see this error after an idle period and you try to use a "stale" page.
The viewstate is actually decrypted in the server using a secret Machine key which resides on the server. Machinekey Generator To do this, you need to use the following:
What are the considerations for waterproofing a building's first few floors? https://support.microsoft.com/en-us/kb/2431728 If the Ch’in dynasty was so short-lived, why was China named for it? System.web.httpexception: Unable To Validate Data. Multirow is cut off What does HR do for me? Unable To Validate Data Formsauthentication Decrypt For me, what happened was that I changed an IIS website path to a different site that uses the same ASP.NET forms solution and the same domain-based cookies BUT a different
What change in history would I have to make to stop Christmas from happening? http://popupjammer.com/unable-to/unable-to-validate-data-encryptordecryptdata.html Sign In·ViewThread·Permalink Thank you! We can mention the machine key in Web.config too so that it uses it for the current website. It choked when decrypting data encrypted by the previous site. System.web.httpexception (0x80004005): Unable To Validate Data.
[HttpException (0x80004005):Unable to validate data.] System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte buf, Byte modifier, Int32 start, Int32 length, IVType ivType, Boolean useValidationSymAlgo, Boolean signData) +1008 System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean Probably decrypting passwords uses a differentmethod so it fails. http://popupjammer.com/unable-to/asp-net-unable-to-validate-data.html Join Now For immediate help use Live now!
Why do you never advise developpers when you change such a big thing ???????? This Implementation Is Not Part Of The Windows Platform Fips Validated Cryptographic Algorithms. Is this sentence 'I know him a teacher.' acceptable? Your encryption becomes "portable", thus your viewstate becomes "portable".
That fixed the issue for me –WhoCares Aug 1 '14 at 19:47 add a comment| up vote 2 down vote I found that when the local security policy for "System crytography:use Let us talk a little on that note.Say you made a request for a page in the server. As for the other links you provided, I am confused. 0 Message Author Comment by:zhshqzyc ID: 373507612011-12-29
I even disabled this for the entire viewstate for the website using Web.config. The error you are getting says "ensure that configuration specifies the same validationKey and validation algorithm". Request URL: http://domainname/WebResource.axd?d=vIkcOYaxqSd6eMCUlxDkdQVxjxcaRV8fWPLFaNn8W4w1&t=633802992069218315&AspxAutoDetectCookieSupport=1 Request path: /WebResource.axd Stack trace: at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte buf, Byte modifier, Int32 start, Int32 length, Boolean useValidationSymAlgo, Boolean useLegacyMode, IVType ivType, Boolean signData) They began after I his comment is here share|improve this answer edited Jun 3 '10 at 4:31 answered Jun 3 '10 at 4:21 ileon 1,35711723 add a comment| up vote 2 down vote I got this error when I