I got new cisco 7925 when i try to connect to network it give registration rejected error message.I try to add the phone manully and it is registered.
I have old cisco 7925 which are working fine with auto registration. but new one not able to regsitered using auto registration.
CCM version 22.214.171.1240
phone firmware cp7925 1.4.1
Perhaps your Auto Registration DN range is exhausted, clear out old DNs.