Why a room refuses your booking

Book is greyed out, or a red line sits above it. Each refusal is a rule somebody set on purpose — what the five you are most likely to meet actually mean, and who can change them.

Updated 30 Aug 2026

Book stays greyed out until the form is both complete and allowed: something required is still empty, or the booking is being refused just above the button. The refusals you are most likely to meet:

What it saysWhat it means
Conflict withThe room is taken for part of your period.
“you have another booking”You are the clash, not the room.
“…only allows bookings within 60 days”Too far ahead — see Limit how far ahead people can book.
“This resource only supports walk-in bookings.”This room is taken at the door, not in advance.
“…is not allowed to book as out of business hour”Outside the hours the room is available.
A booking placed past the room's window, with Book unavailable.

A booking placed past the room's window, with Book unavailable.

A refusal is not a fault to report — every one of them is a rule somebody set on purpose, and the room’s own settings decide which apply. The form that produces them is walked in Book a meeting room.