-1205 0xFFFFFB4B   NWDP OE NF FAIL LOGIN

Source:  NDPS, Notification Service NLM program

Explanation:  The ENS failed to log in to eDirectory or NDS.

Action:  Unload the Broker (which will unload the ENS as well if it is still loaded). Reload the Broker and try enabling the ENS again. If the failure continues, run dsrepair.nlm.