Event Message:

A lock error has occurred. This could happen if the WINS is trying to send a response on a dialogue that is no longer ACTIVE. An implicit dialogue can cease to exist if the association it is mapped to terminates. In this case, getting a lock error is normal.

Source Event Log Event ID Event Type
Wins System 4281 Error

Explanation:

A lock error can happen if WINS is trying to send a response on a dialogue that is no longer ACTIVE. An implicit dialogue can cease to exist if the association it is mapped to terminates. In such a case, getting a lock error is normal.