We are getting following event error in dc and adc in every minutes.Please suggest any solution The SAM database was unable to lockout the account of Administrator 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. user: domain administrator computer: domain controller

As it is mentioned in this Microsoft article, this problem may be due to a virus. Please run a full scan on your disks to delete all viruses. Also, have a look to this Microsoft article. This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner Microsoft Certified Professional Microsoft Certified Systems Administrator: Security Microsoft Certified Systems Engineer: Security Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration

Hi, I would like to confirm what is the current situation? If there is anything that I can do for you, please do not hesitate to let me know, and I will be happy to help. Regards, Arthur Li TechNet Subscriber Support in forum If you have any feedback on our support, please contact tngfb@microsoft.com.Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

i did not do scanning in safe mode. Because it is our dc.Any other option?

There is no other way out as the safe mode is the best option to scan the system becasue viruses are usually attached to the dll's and system services and antivirus scanner cannot delete those files as those files are already attached to the process Hence they are detactched only in the safe mode.http://www.virmansec.com/blogs/skhairuddin