SQL Server v.Next (Denali) : Troubleshooting Error 18456
- by AaronBertrand
I think we've all dealt with error 18456, whether it be an application unable to access SQL Server, credentials changing over time, or a user who can't type a password correctly. The trick to troubleshooting this error number is that the error message returned to the client or application trying to connect is intentionally vague (the error message…