Jul 25, 2011 10:21 AM|subhash.sheladia|LINK Hi All,
The AutoGenerate for the machine code can not be used. I hpe I was able to explain the issue. When a postback occurs, ASP.NET uses the values stored in this hidden field to ensure that the button you clicked invokes a valid event. Jul 22, 2010 12:35 PM|surya_bg2000|LINK Even i have ended with this issue &it worked for me with belowchanges in web.config:
But if we force the browser to reload, the message is gone. You can find a couple of decoders on Scott's blog at: http://weblogs.asp.net/scottgu/archive/2003/02/16/2495.aspx Reply Tony says: September 15, 2009 at 2:07 pm Re: Ron's comment - I have exactly the same issue Out of options now! Yes, times for rendering large amounts of viewstate, and ‘premature' postbacks cause this.
If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validationalgorithm. General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ After reading this article 2 or 3 times and after I tried the solutions in the article (did not solve my problem), I discovered, in the problematic Web page, an old Validation Of Viewstate Mac Failed Autogenerate Cannot Be Used In A Cluster PS i was using XP as my OS.
Working... Invalid Viewstate Mac Failed That entire article is excellent and I highly recommend reading it! Read past end of file to recover data Is there an English idiom for provocative titles, something like "yellow title"? http://www.codeproject.com/Questions/464873/Validation-of-viewstate-MAC-failed Solution 2 Accept Solution Reject Solution Validation of viewstate MAC failed.
in IE and other it is working fine. Validation Of Viewstate Mac Failed Solution Think of another area…what about the firewall? Disabling Sort fixed my issue. The details of the problem is: Validation of viewstate MAC failed.
However, I can see in the HTML souce that the __EVENTVALIDATION input has moved up to where the other .NET hidden inputs are. http://stackoverflow.com/questions/5840899/asp-net-validation-of-viewstate-mac-failed So, whenever you want to create cookie and want to make it secure here is the right technique. Validation Of Viewstate Mac Failed Error Solution asked 5 years ago viewed 55964 times active 8 months ago Blog Stack Overflow Podcast #93 - A Very Spolsky Halloween Special Linked 14 Setting ViewStateUserKey gives me a “Validation of Validation Of Viewstate Mac Failed Godaddy Thanks for the heads up.
The bottom line was that I was able to get .NET frameworks for 2.0, 3.0 and 3.5 that kept my page working by installing .NET 3.5 (NOTE: NO SERVICE PACK). any idea.. We haven't seen as many of those but it certainly can cause the same problem. or enable it?.. Validation Of Viewstate Mac Failed .net 4
But in our PRD servers. Reply Devashri Member 20 Points 14 Posts Re: Validation of viewstate MAC failed.
more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed Validation Of Viewstate Mac Failed Single Server AutoGenerate cannot be used in a cluster. You aren't using a web farm. 2.