Configurations when deployed, the actual deployment happens as below. The status of the configuration will remain in Ready to Execute state till it gets applied to one of the target computer/user.
Computer Configurations Deployment Period/Time
User Configurations Deployment Period/Time
If the configuration do not get applied as expected, check the following:
This could happen when any security software such as Symantec or Mcaffe running in the client system is blocking this. Try after stopping them.
Downlad and run the enableLocalGPO script to enable Local GPO in computers other than Vista