Do you have UPS software on the server? Regards, Michael B. Smith MCSE/Exchange MVP http://TheEssentialExchange.com From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of IT Buzz Sent: Thursday, December 20, 2007 6:53 AM To: exchangelist@xxxxxxxxxxxxx Subject: [ExchangeList] Exchange server shutting down automatically - Please Help Hi, The Backend Exchange server at our Organization is getting shutdown automatically without any warning or pop up. Server Configuration is : HP DL380 G3 Exchange Server 2003 Enterprise Edition SP1 Windows Server 2003 Enterprise with SP1 An event is generated in System log is given below : Event Type: Information Event Source: USER32 Event Category: None Event ID: 1074 Date: 12/19/2007 Time: 7:45:17 PM User: CIIONLIN\administrator Computer: CIIDELBEEXCH Description: The process winlogon.exe has initiated the power off of computer CIIDELBEEXCH on behalf of user CIIONLIN\Administrator for the following reason: Legacy API shutdown Reason Code: 0x80070000 Shutdown Type: power off Comment: For more information, see Help and Support Center at <http://go.microsoft.com/fwlink/events.asp> http://go.microsoft.com/fwlink/events.asp. Data: 0000: 00 00 07 80 ...€ Please suggest your view on this issue on the earliest. Regards Rishu _____ Explore your hobbies and interests. Click <http://in.rd.yahoo.com/tagline_groups_6/*http:/in.promos.yahoo.com/groups> here to begin.