trasfer task to new OS

Can you be a bit more specific ?

You can add a 2008 DC to a 2003 Domain and then transfer stuff like AD, DNS, DHCP etc

What are you trying to do ?

Here is a full guide.

https://www.experts-exchange.com/questions/23665224/Windows-2008-Server-Migration-From-Server-2003.html

Hopefully this will give you all the steps you need if not let us know exactly what you want

thanks - actually, i am concerned only about 'scheduled tasks' for now.

On the station that holds schedule tasks make a network connection to \\server\c$\windows\tasks you can then copy schedule tasks directly into this folder

https://www.experts-exchange.com/questions/23028602/transfer-or-copy-Scheduled-Tasks-from-one-server-to-another.html

Scheduled Tasks are kept in C:\Windows\Tasks - just copy and paste them on the new sever.

to change ID/Password - Right Click on the Task | Click Properties fill in the "Run As" box, Click Password and enter the new password.

OK-  many thanks - that is easy to do!

in 2003, it did not have any extension.. but when copy/pasted into 2008 in the same folder, it now has a .job extension, and it won't open fine... any thoughts?

Should work what error you getting? Have you changed password?

in 2003, the task was called
SendFiles
when i copied to 2008, it's name is now SenfFiles.job

if i double click on it, it says 'Windows can't open this file....what would you like to do...select a program from the list etc'