Hello, Everyday we keep on getting the beloow Event error., Can anyone help me how to resolve this error. Thanks in Advance!! Event Type: ErrorEvent Source: Live Communications User ServicesEvent Category: (1006)Event ID: 30905Date: 4/17/2009Time: 1:59:57 AMUser: N/AComputer: ServerNameDescription:The nightly maintenance stored procedure failed. It will be retried in roughly 24 hours. If this error continues to occur, the Live Communications Server service will need to be restarted. Hresult: 0Sql native error: D0Cause: Possible issues with backend database.Resolution:Ensure the backend is functioning correctly. For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.Exchange 2007

Looks like something related to Live Communication Server and noting related to Exchange... Suggest you to use LCS newsgroup to get better direction.... http://www.microsoft.com/communities/newsgroups/list/en-us/default.aspx?dg=microsoft.public.livecomm.general&cat=en_us_54c4ffa8-7a64-4354-8ce8-3601a01e4128=en&cr=usAmit Tank | MVP - Exchange | MCITP:EMA MCSA:M | http://ExchangeShare.WordPress.com