So I know this is old, but I just hunted down how to get past the auto connect using process monitor (sysinternals).
After having a user check off the automatically connect box and getting the mmc error I discovered the settings are in:
C:\Users\administrator.KILROY\AppData\Roaming\Microsoft\MMC
I renamed proexp11 and was able to launch 'fresh'
CMR
After having a user check off the automatically connect box and getting the mmc error I discovered the settings are in:
C:\Users\administrator.KILROY\AppData\Roaming\Microsoft\MMC
I renamed proexp11 and was able to launch 'fresh'
CMR