I’d recently experienced a situation where I was getting repeated login failures to a SQL Server where I knew that I had the correct user name and password. Each time, I’d get error 18456 in response. "Login failed for user '<user_name>'. (Microsoft SQL Server, Error: 18456)". The challenge when troubleshooting this error message is that you may have a problem with SQL Server or you may have a problem with Active Directory or Kerberos, if you’re using one of those authentication technologies. A False Trail When times are good, and you’re able to make a connection, you … [Read more...]
Managing Complex DB Environments
Check out the new white paper “Key Methods for Managing Complex DB Environments” at Quest.com. Heterogeneous database management hassles used to be much less common than today. When I first started at Quest nearly ten years ago, I'd put forward that on 15-20% of my big customers regularly managed more than one major database platform. (That doesn't mean they didn't have more than one, rather secondary platforms were either unmanaged or considered entirely unimportant). Today, I'd put forward that 70-80% of my big customers support at least two major database platforms. Often, they support … [Read more...]
Wednesday Quest: Plenty O’Betas and Product Releases
Spotlight on SQL Server That's right! An all new version 8.0 of Spotlight on SQL Server Enterprise is now GA and updated trials are live on the website. Some cool stuff therein: • Support for SQL Server 2011 (Denali) - Spotlight can now be used to monitor SQL Server 2011 databases (Denali CTP1 and CTP2 releases). • Project Lucy integration - Use Project Lucy to analyze the performance of your database and compare your experience with everyone else who uses the service. • VMware memory diagnostics - Analyze virtual memory using charts similar to that used to analyze virtual CPU. We also … [Read more...]