Hello, i have win2008 dc with sp2, Users that have accounts that keep getting locked out for no apparent reason , and after 5 min automattically open lock . i dont use any policy. Please help . Thanks sandeep kharbanda 9560798011 shalluji@hotmail.com sandeep_khbarbanda@yahoo.com

Hello, please check event viewer logs to identify the source computer for logon failures. Once done, go to it and check that there is application / services that are runnng under these accounts with wrong passwords. Another possible cause is viruses. Please have a look to Paul's article: http://www.pbbergs.com/windows/articles/UserAccountLockoutTroubleshooting.html This posting is provided "AS IS" with no warranties or guarantees , and confers no rights. Microsoft Student Partner 2010 / 2011 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 Microsoft Certified Technology Specialist: Windows Server 2008 Applications Infrastructure, Configuration Microsoft Certified Technology Specialist: Windows 7, Configuring Microsoft Certified IT Professional: Enterprise Administrator Microsoft Certified IT Professional: Server Administrator

Hi, Regarding the error in Event ID, the issue is related to server. Please contact Windows Server forum to troubleshoot the issue. http://social.technet.microsoft.com/Forums/en-US/category/windowsserver In addition, I would like to share the following blog for you. http://blogs.technet.com/b/instan/archive/2009/09/01/troubleshooting-account-lockout-the-pss-way.aspx Best Regards, Niki 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.