I recently downloaded AdminStudio10_ConfigMgr.exe and installed it on my SCCM 2012 site server and when I try to launch any of the componets I'm prompted to enter my site server computer name along with a username and password. When I enter all this info I get a warning that reads "Unable to connect to Microsoft System Center Configuration Manager Server". BTW - While installing AdminStudio I did enter my registered serial number.
Here are some of my system specs Windows 2008R2 server with SCCM 2012 and SQL 2008R2 SP2
Yes, AdminStudio 10 Configuration Manager has been End of Life'ed earlier this year. If you want to use and manage applications between AdminStudio and SCCM, you can use the latest version of AdminStudio - AS2015.