This is incredibly cool! I just queried the trace to find the cause of a mysterious nightly error I've been seeing for months! Turns out its from a...

I'd face huge logistical challenges in updating our service accounts. I've got ~100 SQL instances running; and I suspect there are a few more I don't even know about...

DAC is available in Express, it's just disabled by default.

http://blogs.msdn.com/sqlexpress/archive/2005/09/08/462609.aspx

Steps to enable DAC in Express:

1) Launch Services Applet in Control Panel

2) Stop SQL Server Express Service

3) Launch Properties...