Even id 12294

Hola foro, en los event viewer de los domain controller de mi dominio
aparece
el evento 12294 que dice:

Event Type: Error
Event Source: SAM
Event Category: None
Event ID: 12294
Date: 13/09/2007
Time: 04:31:55 p.m.
User: DOMAIN\Administrator
Computer: DC1
Description:
The SAM database was unable to lockout the account of ? due to a resource
error, such as a hard disk write failure (the specific error code is in
the
error data) . Accounts are locked after a certain number of bad passwords
are
provided so please consider resetting the password of the account
mentioned
above.

For more information, see Help and Support Center at
http://go.microsoft.com/fwlink/events.asp.
Data:
0000: c00002a5

Y la cuenta de administrator se bloquea cada minuto

Podrían ayudarme?

Muchas gracias