Event Message:

The Name Registration Response could not be sent due to an error. This error was encountered by the Name Challenge Thread.

Source

Event Log

Event ID

Event Type

Wins

System

4187

Error

Explanation:

This event record usually indicates a database problem. Additional research will need to be conducted to verify the database problem.

User Action:

Check Event Viewer and to see if Event ID 4224 is occurring with this event. If it is, the problem is with the database. You might want to try a JETPACK on the database to resolve this problem. If this does not correct the problem, check for database corruption. If the database is corrupted, restore it from the backup.