Hmm. Cntrl Shift M. It works on the version of SSMS 2008 I have here, but maybe my version is a bit old (10.0.1600.22 ). I'd be surprised if they took it out as it goes way back. Mind you, they irritated me hugely by taking out the hotkey that flipped between windows in 2005. There is a way of redefining these keys via the registry, but you'd need to be both brave and desperate.