Hi

The problem you have here is that Developer is a higher version than Standard so you can't upgrade that way.

You would need to uninstall standard then install Developer.

Backup and reinstall databases - or detach and reattach them.

For and sys jobs etc you have the easiest method would be to script them out then reapply them.

I am not sure of the best way to copy logins and user permissions though.

I beg your Pardon you can upgrade from Developer to standard

http://msdn.microsoft.com/en-us/library/ms143393(SQL.90).aspx

I upgraded standard to dev with this:

start /wait d:\setup.exe instancename=MSSQLSERVER upgrade=SQL_Engine,SQL_Data_Files,SQL_Tools90,SQL_Replication skuupgrade=1 /qb

The same as you but no addlocal and a few other features in the upgrade list