Site: HiltonBeen trying all day to make reservations, Keep getting Guest reservation Error. When you try to look at room rates you get the same error. Add new comment Comments During the last 4 days I'm trying to login at Hhonors or other hilton chain sites without success. reply same error occurring on Apr 18 9pm, for over an hour. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted rKNRHx Enter the code above * Enter the code without spaces.