While running the Report Manager Website if we are getting the webpage with following error
“The report server cannot decrypt the symmetric key that is used to access sensitive or encrypted data in a report server database. You must either restore a backup key or delete all encrypted content. (rsReportServerDisabled) Get Online Help Keyset does not exist (Exception from HRESULT: 0x80090016)”
GO to >Reporting Services Configuration Manager >Press Connect > Go to Encryption Keys page >Press the ‘Delete’ button.