To edit the number of backups to be kept:
Click Policy.
Click the Edit option to the right of the policy.
Click the Data Retention Tab.
You should be able to edit this value: “Number of Recovery Points to Retain”.
To edit the number of backups to be kept:
Click Policy.
Click the Edit option to the right of the policy.
Click the Data Retention Tab.
You should be able to edit this value: “Number of Recovery Points to Retain”.
from: http://searchengineland.com/9-common-ways-to-bork-your-local-rankings-in-google-99336