Try this link.... I had similar issue few days back with multiple domain environments. http://groups-beta.google.com/groups?ie=UTF-8&oe=UTF-8&hl=en&sourceid=de skbar&q=ID+no%3A+c1034a31 Rajnish Malik _____ From: Michael B. Smith [mailto:michael@xxxxxxxxxx] Sent: Monday, January 24, 2005 5:33 AM To: [ExchangeList] Subject: [exchangelist] RE: Exchnage 2003 setup error:exchange 5.5 synchronizer" with error code 0xc103798a http://www.MSExchange.org/ Did you look at the first KB returned when searching for that error number on support.microsoft.com? If you did, then tell us so. Otherwise, we need more information about your environment. _____ From: Dominic [mailto:emaildominic@xxxxxxxxxxx] Sent: Sunday, January 23, 2005 1:40 PM To: [ExchangeList] Subject: [exchangelist] Exchnage 2003 setup error:exchange 5.5 synchronizer" with error code 0xc103798a http://www.MSExchange.org/ Hi Techies, Here is my first one to the group. Problem Definition: ---------------------------- 1.Unable to run setup program of Exchange 2003. Error: Setup failed while installing sub-component "exchange 2000 - exchange 5.5 synchronizer" with error code 0xc103798a What Iam doing: Already I have a Exchange 5.5 server. Now I am installing Exchange 2003. Done forest prep/domainprep and then this error. Any guesses. Regards Dominic( I love Exchange ) ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: World of Windows Networking: http://www.windowsnetworking.com Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this MSEXchange.org Discussion List as: michael@xxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx ------------------------------------------------------ List Archives: http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Exchange Newsletters: http://www.msexchange.org/pages/newsletter.asp Exchange FAQ: http://www.msexchange.org/pages/larticle.asp?type=FAQ ------------------------------------------------------ Other Internet Software Marketing Sites: World of Windows Networking: http://www.windowsnetworking.com Leading Network Software Directory: http://www.serverfiles.com No.1 ISA Server Resource Site: http://www.isaserver.org Windows Security Resource Site: http://www.windowsecurity.com/ Network Security Library: http://www.secinf.net/ Windows 2000/NT Fax Solutions: http://www.ntfaxfaq.com ------------------------------------------------------ You are currently subscribed to this MSEXchange.org Discussion List as: rajnish@xxxxxxxxxxxx To unsubscribe visit http://www.webelists.com/cgi/lyris.pl?enter=exchangelist Report abuse to listadmin@xxxxxxxxxxxxxx