Dear Friends, server got rebooted automatically, found the event. Plese find below... A critical system process, C:\WINDOWS\system32\lsass.exe, failed with status code c0000005. The machine must now be restarted. Thanks Gajanan Best Regards, Gajanan My Profile : http://social.technet.microsoft.com/profile/gajanan.nashipudi/?type=forum

Hi Gajanan, May I know do you have Windows Server 2003 Sp2 installed on this machine? You might also want to check out this link. Let me know if this helps? Jabez Gan [MVP] - http://www.msblog.org Contributing Author for: (Sybex) MCTS: Windows Server 2008 Applications Infrastructure Configuration Study Guide: Exam 70-643