Disney will perform a reservation system enhancement beginning at 3am Eastern time on Thursday 23rd February 2012, that will last until the late afternoon that day. Disney are telling their guests: If you would like to make a breakfast or lunch reservation reservation for Thursday, 23rd February, we recommend you do so by 10pm on Wednesday 22nd February 2012. If you have to pick up your tickets to attend any of of the Disney dinner-shows, please, do so by 10pm on Wednesday 22nd February 2012. If you would like to purchase or upgrade a park ticket from your resort hotel, we recommend you do so by 10pm on Wednesday 22nd February 2012. Remember that you will still be able to purchase and upgrade tickets directly at the main entrance of the theme parks and water parks.