-1250 0xFFFFFB1E   NWDP OE NF NOT NLM FILE FORMAT

Source:  NDPS, Notification Service NLM program

Explanation:  The ENS received a file that was not in the NLM file format.

Possible Cause:  The format of one of the NLM files that implement the Brokered services is corrupted.

Action:  Reinstall NDPS on this server, or manually copy the NLM programs that implement the delivery methods. All the files that implement delivery methods have an .enm extension.