http://blogs.technet.com/b/sergiyt/archive/2013/01/27/remote-tools-don-t-work-in-windows-7-x64-client.aspxOn one of my projects I found weird thing when SCCM Remote Tools work without any problem on Windows 7 x32 client but failed to run or ask me about local admin credentials to connect to Windows x64 client. I fixed this by changing permissions for RCLaunchen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)