Dear Allan Mitchell, The above suggested solution worked, now i am able to open maintainance plan in SQL server 2005. C:\Program Files\Microsoft SQL Server\90\DTS\Binn>regsvr32 dts.dll Thanks a lot From http://www.developmentnow.com/g/103_2007_6_0_0_989571/can-not-run-dts-on-sql-server-2005.htm Posted via DevelopmentNow.com Groups http://www.developmentnow.com