Assign the Exchange Servers group the right to change permissions against msExchActiveSyncDevices objects to work around this issue. To do this, follow these steps:
- Start Active Directory Users and Computers.
- Click View, and then click to enable Advanced Features.
- Right-click the object where you want to change the Exchange Server permissions, and then click Properties. ( Note - You can change permissions against a user, an organizational unit, or a domain.
- On the Security tab, click Advanced.
- Click Add, type Exchange Servers, and then click OK.
- In the Apply to box, click Descendant msExchActiveSyncDevices objects.
- Under Permissions, click to enable Modify Permissions.
- Click OK three times.