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Fix Microsoft Bookings Showing Slots Outside Custom Availability
Question details
A Microsoft Bookings page is displaying incorrect appointment times that fall outside the configured custom availability for multiple staff members.
- Product
- Microsoft Bookings
- Device & OS
- not provided
- Scenario
- Managing team schedules and client appointment availability in Microsoft Bookings.
- Observed behavior
- The booking page offers time slots and days to clients that should be blocked off according to the custom availability settings of the team members.
Verify that the 'Events on Office calendar affect availability' setting is enabled for all affected staff members, and double-check your business hours configuration in the Bookings setup.
Escalate the Sync Issue to Microsoft 365 Support
Since this involves a backend synchronization error where Bookings is actively ignoring custom availability configurations, a global administrator needs to request Microsoft support to investigate the backend logs.
When standard configuration checks do not resolve availability issues across multiple team members, it often points to a backend server synchronization failure within Microsoft 365.
Microsoft's engineering team has the necessary access to inspect Bookings configuration data and backend calendar routing logs to determine exactly why unavailable slots are being pushed to the public scheduling page.
Reach out to your organization's Microsoft 365 global administrator, as standard users and staff do not have the required permissions to open advanced support tickets.
The administrator must log in to the Microsoft 365 Admin Center at admin.microsoft.com using their admin credentials.
Navigate to the 'Support' tab on the left-hand menu, select 'Help & support' or 'New service request', and describe the Bookings availability synchronization issue.
Explicitly ask the Microsoft support agent to inspect the Bookings configuration and backend tenant logs to identify why unavailable slots are being offered.
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Frequently Asked Questions
Why is Microsoft Bookings ignoring my staff's Outlook calendar events?
This usually happens if the 'Events on Office calendar affect availability' option is disabled for the staff member. Ensure this setting is checked in the Staff page of your Bookings dashboard to prevent double-booking.
Can a regular staff member contact Microsoft support for Bookings sync issues?
No, technical service requests involving backend logs for Microsoft 365 applications must be submitted by a user with global administrator privileges within your organization.
How can I temporarily hide my Booking page while the availability issue is being fixed?
You can unpublish your Booking page by navigating to the Booking Page tab in the left-hand menu and clicking 'Unpublish'. This immediately takes the page offline and prevents clients from booking slots during incorrect times.
