You may have seen the message above in your Google Apps control panel when transitioning users. Any users at your domain that have a conflicting account which uses one or more of the following services can't be transitioned to the new Google Apps infrastructure yet.
* Adsense
* AdWords
* Affiliate Network
* Analytics
* Books Partner Program
* DART Enterprise
* DART for Advertisers
* DART for Publishers
* DART Search
* DoubleClick AdPlanner
* DoubleClick Customer Resource Center
* DoubleClick Studio
* Google AdWords Certification Program
* Places
* Voice
* 有图比 Content Manager