Event Message:

The Registry contains an invalid value for the logon message parameter. Change the value of this parameter in the SYSTEM\\CurrentControlSet\\Service\\MacFile\\Parameters Registry key.

Source

Event Log

Event ID

Event Type

MacFile

System

10009

Error

Explanation:

The logon message value should have from 1 to 19 characters.

User Action:

Use the Registry Editor to change this value in the Registry.