Article ID: 2486796 - View products that this article applies to.
When you schedule a meeting with a resource mailbox that is configured for Direct Booking, you receive one of the following error messages, depending on the version of Outlook that you are using to schedule the meeting:
You receive this error message even though the meeting is a single-instance, non-recurring meeting.
This problem occurs when you use Outlook 2010 to configure the resource mailbox for direct booking, and you manually set the Calendar folder's permissions by clicking Set Permissions in the Resource Scheduling dialog box.
The Set Permissions button is shown in the following figure:
When you click Set Permissions, the Permissions tab in the Calendar Properties dialog box is displayed. Because this is a direct booking resource mailbox, the default permissions should be set to Author as shown in the following figure:
The problem occurs when you click OK in the Calendar Properties dialog box that is shown here. The permissions to the Calendar folder are correctly set for the Default object. However additional, required permissions to the Freebusy Data folder of the mailbox are not set correctly.
Note This problem can also occur if you view the permissions to the Calendar folder of the resource mailbox by right-clicking on the folder and then clicking Properties. This opens the same Calendar Properties dialog box that was displayed earlier. If you click OK, you see that the required permissions to the Freebusy Data folder are not configured properly.
If you use Outlook 2007 and you click OK in the Calendar Properties dialog box, the correct permissions are set on both the Calendar and Freebusy Data folders. Only Outlook 2010 fails to set the required permissions to the Freebusy Data folders when you use the steps that were described earlier in this article.
To resolve this problem, install the hotfix package for Outlook 2010 dated February 22, 2011. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
After installing hotfix KB2475877, use the following steps to correct the permissions on an existing resource mailbox:
If you are unable to install hotfix KB2475877, you can use the following workaround to manually correct the permissions:
To work around this problem, follow these steps to manually correct the permissions:
Note If the Ensure that the calendar permissions are set to allow offline updates option is missing from the Resource Scheduling dialog box, follow these steps to reconfigure the direct booking resource mailbox.
At this point, the Default permissions on the Calendar will be set to Author, which is the required level of permissions for Direct Booking.
Contact us for more help
Connect with Answer Desk for expert help.