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QlikView Management Service logs return Exception while decrypting: Bad Data error messages

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QlikView Management Service logs return Exception while decrypting: Bad Data error messages

Last Update:

Aug 21, 2023 2:02:29 AM

Updated By:

Sonja_Bauernfeind

Created date:

Aug 21, 2023 2:02:29 AM

The QlikView Management Service logs contain the following error entry:

Error Exception while decrypting. EncryptedText length=8 chars Exception=System.Security.Cryptography.CryptographicException: Bad Data. || || at System.Security.Cryptography.CryptographicException.ThrowCryptographicException(Int32 hr) || at System.Security.Cryptography.Utils._DecryptData(SafeKeyHandle hKey, Byte[] data, Int32 ib, Int32 cb, Byte[]& outputBuffer, Int32 outputOffset, PaddingMode PaddingMode, Boolean fDone) || at System.Security.Cryptography.CryptoAPITransform.TransformFinalBlock(Byte[] inputBuffer, Int32 inputOffset, Int32 inputCount) || at System.Security.Cryptography.CryptoStream.FlushFinalBlock() || at System.Security.Cryptography.CryptoStream.Dispose(Boolean disposing) || at System.IO.Stream.Close() || at SolutionGlobal.Security.CryptoAlgorithm.Decrypt(EncryptedSecret encryptedSecret, Boolean isCurrentAlgorithm)

Resolution

Cause 

Antivirus software or other other real-time system scanning utilities may cause disruption if files needed by QlikView services are being locked for scanning / change monitoring. When using Certificate Trust for services authentication, the certificates may have expired or removed on the server running the QlikView Management Service (QMS). This will prevent the QMS from reading encrypted data in the QVPR, such as passwords (used in tasks and other areas of the QMC), resulting in the error message.

The log entry itself does not reference the "bad data", only a string length of the problematic string, which does not help in narrowing down the malformed data and correct it. Furthermore it is not advised to manually edit the QVPR and doing so will result in an unsupported environment.

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Environment

QlikView 

 

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Version history
Last update:
‎2023-08-21 02:02 AM
Updated by: