IT Analytic reports give error when trying to access.
An error has occurred during report processing. (rsProcessingAborted)
Cannot impersonate user for data source 'ITAnalytics'. (rsErrorImpersonatingUser)
Log on failed. Ensure the user name and password are correct. (rsLogonFailed)
ITAnalytics requires that each user account wishing to access IT Analytic reports be added to the Report server IT Analytic folder level security and datasource password be reset. During an upgrade the account credentials are updated, but the verification step of the credentials doesn't fully populate. A manual test is needed In most cases entering the correct Domain\Password corrects this issue.
Follow steps in the attached document to reset the connections and add accounts to folder security.