The operation could not be performed because the object ‘Microsoft.Exchange.Data.Directory.SystemConfiguration.ResourceBookingConfig’ could not be found <Domain_Controller_Name>.
This problem occurs because the Resource Schema object under Global Settings in Active Directory directory service is missing.
To solve this problem you have to manually create it.
1- Click Start, click Run, type adsiedit.msc, and then press ENTER.
2- Locate the following location:
3- Right-click CN=Global Settings, click New Object and then click Next.
4- Click msExchResourcesChema, and then click Next.
5- In the Value field, type Resource Schema.
6- Right-click the Resource Schema object, click Properties, and then click msExchVersion.
7- Set the value of the msExchVersion attribute to 4535486012416.
8- Retry Setup /prepareSchema It should work fine