Possible cause

A DNS record was not created before a BlackBerry® Administration Service instance was installed.

Possible solution

1. Create the DNS record for the BlackBerry Administration Service instance.
2. On the computer that hosts the BlackBerry Administration Service instance, on the taskbar, click Start > Programs > BlackBerry Enterprise Server > BlackBerry Server Configuration.
3. On the Administration Service - High Availability tab, in the Pool name field, type the name of the BlackBerry Administration Service pool.
4. In the Windows® Services, restart the services for the BlackBerry Administration Service.