He added that only people in the nation where the entry breaks local laws will be blocked from seeing the controversial comments. In all other nations access to the entry will be unrestricted.
Microsoft is currently implementing this nation-based blocking system in the infrastructure for its MSN Spaces service.
Users will also be told when their blog entries are being blocked.
Microsoft said that currently there were more than 35 million blogs on MSN Spaces which has more than 90 million unique users every month.
At the same time the software giant called for a wider debate on the best principles that those running blog services should adhere to.