By the end of the day, heathcare.gov, the troubled federal health insurance website, is supposed to be up and running.
President Barack Obama promised the website would be up and running so that most people trying to secure healthcare under the Affordable Care Act would be able to do so.
It has been two months since the botched rollout on October 1, which sparked a firestorm in Congress and forced the administration to set a self-imposed deadline.
"To be clear, Nov. 30 does not represent a re-launch of healthcare.gov," said Julie Bataille, spokeswoman for Centers for Medicare and Medicaid Services. "It is not a magical date. There will be times after Nov. 30 when the site, like any website, does not perform optimally."
The website should be able to handle 50,000 users at the same time, double what it once could, and overall, more than 800,000 users per day.