Yes there is only one address book.
Now there are 2 other problems that i don;t think are releated:
One, internal "read receipts" do not work
two, when outlook is closed is crashes with a error:
Code:
AppName: outlook.exe AppVer: 11.0.5510.0 AppStamp:3f1380f0
ModName: lsmssp32.dll ModVer: 4.5.135.0 ModStamp:45c1ae97
fDebug: 0 Offset: 0017953c
Like i said i think it may be unreleated but i thought i would mention