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Unable to Validate data error after Patch

Posted By:      Posted Date: October 01, 2010    Points: 0   Category :ASP.Net
 

After applying the patch to our QA machines, we started getting the following errors:

Unable to validate data.

    at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, IVType ivType, Boolean useValidationSymAlgo, Boolean signData)

   at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, IVType ivType, Boolean useValidationSymAlgo)

   at System.Web.Configuration.MachineKeySection.EncryptOrDecryptData(Boolean fEncrypt, Byte[] buf, Byte[] modifier, Int32 start, Int32 length, IVType ivType)


Anyone have any idea what's going on here?


Thanks,

Michael




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