If you are asking if you can stop taking backups of the database once it is on the DEV server, of course. However, I would highly recommend you either...

Are there any entries in the logs? Start with the SQL Error Logs and then move to the Windows Logs.

If you do not or cannot reinstall the OS - take a look at the following:

This may be what you are looking for -

http://www-03.ibm.com/systems/i/software/access/index.html

My previous two employers paid a portion of both my cell phone plan and broadband internet. Recently I switched to Sprints mifi (all couriers seem to have this option...

Use Master

Alter Database [insert db name here]

SET SINGLE_USER With ROLLBACK IMMEDIATE

RESTORE DATABASE [insert db name here] FROM DISK = 'E:\backup\insert db backup name here.bak'

WITH REPLACE

GO

Tweak as needed.

Not to nitpick, but even the article referenced stated - "On a computer that has a multicore processor, you may be unable to install SQL Server 2005"

The optimal word being...

Most likely you did not completely uninstall SQL Server. There are numerous sites if you do a Google search that go into great detail of exactly what and where...

Just a guess, but you may have hit the maximum job history log size.

What are you attempting to do? Rebuild the master database? Change licensing? Collation?

Are you accessing the Maintenance Plan wizard/tool via SQL 2000 Enterprise Manager or are you attempting to create a plan using SQL 2005 Management Studio remotely?

Unfortunately you must do a step upgrade when SQL 7 is involved.

By chance is the mystery job actually associated with a old Maintenance Plan?

Check that Job ID against the sysmaintplan_subplans table

Could you post the solution for others that may have a similar issue.

Please attempt to use the IP address instead of the server name.