Ending court oversight of Microsoft’s business practices in November wouldn’t allow enough time to consider the antitrust implications of the new Windows Vista operating system, a group of states led by California said in a filing Thursday.

U.S. District Court Judge Colleen Kollar-Kotelly, who oversees Microsoft Corp.’s adherence to the terms of a 2002 antitrust settlement, asked the software maker, the Justice Department and the group of states to submit reports by Thursday on the effectiveness of the consent decree.