We are getting following two errors. Event Type: Error Event Source: DCOM Event Category: None Event ID: 10004 Date: 02/13/2012 Time: 9:37:17 AM User: N/A Computer: TTGINC-CTX02 Description: DCOM got error "Cannot start a new logon session with an ID that is already in use. " and was unable to logon nt authority\networkservice in order to run the server: {CEAA6A40-9FA3-4DE2-B9EC-89711F498F04} ============================================================================================================================== Event Type: Error Event Source: Service Control Manager Event Category: None Event ID: 7023 Date: 02/13/2012 Time: 4:58:14 AM User: N/A Computer: TTGINC-CTX02 Description: The World Wide Web Publishing Service service terminated with the following error: Cannot start a new logon session with an ID that is already in use. ================================================= Server OS is 2003 RS Standard SP2, recently no patch update has been installed. IIS 6 We have tried re-registering qmgr.dll and restarting server but didnt help. Please help!!

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I have posted this issue in IIS forum, anyone having similar please refer below link. http://forums.iis.net/p/1187149/2014402.aspx#2014402

take a look at this post: http://forums.iis.net/p/1168512/1964130.aspx#1964130