I'm having the same issue, different error: [Microsoft] [sql Server]Cannot open database "PAC Access Control Log" requested by the login. The login failed.Can run the report in iReport, but datasource keeps showing that error on JasperServer. JasperServer is on same machine as iReport. The weird thing I found about the error is it appears almost instantly after clicking "Test Connection." I find it hard to believe that it can find all of that information, including the database name, and refuses to login. Tried manually adding my credentials to the db in SQL management studio and error is replicated. Hope someone can get this sorted out soon, it's been an extremely frustrating process.