perhaps permissions issues at the OS level?

Are you under a mandate to have to use the DBCopy wizard? If not, why not try the good old tried and true "backup and restore" ?:D

look at this.... although this only reads, I'm sure there is a registry method to write to the registry as well. I would take a backup of the registry...

Create a batch file that BCP's out the data from the source and BCP's in the data to the destination???

this happend to me a few years back... this solved my problem. although we didn't change anything from the sqlserver end, the developement end (.NET) was upgraded.

Operations performed in bulk either in or out....BCP....BULK INSERT.... SELECT INTO....

I would check the event log for any errors or warnings related to NIC teaming.  If there are any, this may very well be a probable cause.

run this and let us know the last time your transaction log was backed up.

SELECT  B.name as Database_Name, ISNULL(STR(ABS(DATEDIFF(day, GetDate(),

 MAX(Backup_finish_date)))), 'NEVER') as DaysSinceLastBackup,

 ISNULL(Convert(char(10), MAX(backup_finish_date), 101), 'NEVER') as LastBackupDate

 FROM master.dbo.sysdatabases...

You really need to find out if it is a problem or not.  We have transaction logs that can under certain conditions grow 1GB / minute.

It may be that large...

Are your servers configured for NIC Teaming?  If so, try breaking them and see what happens.  We've had a similar case during restores of large databases 300-400 GB and seeing...

hmmm.  I guess this is a question for folks that like to keep diaries.

The list is endless....  better for you google it up and see... there are quite a few...

I've seen this happen where there was a linked server query running and killed.  However the connection persisted and was reporting it was at a 100 percent in the rollback...

see this excellent article posted today on this site...

http://www.sqlservercentral.com/columnists/mmorin/2573.asp

Give some more info on your server cfg.  What edition do you have and amount of RAM.  What is your sqlserver build number? 2039?

top 3 links from google....

http://support.microsoft.com/kb/832674

http://support.microsoft.com/?kbid=903002

Microsoft has some good articles on this.  So does BOL...see the title "Restoring the master Database from a Current Backup" 

Below is nice detailed link on a lot of the...