Thanks, that explains that. Now what about my issue with the transaction log backup?

Anyone? see first post.

OK, I ran the DBCC CHECKDB , DBCC CHECKALLOC , DBCC CHECKCATALOG but no errors were returned. I think this error is because there is a 24X7 application attached to...

The Backup can not be performed, is the only line in the LOG, there is one succesful one in front and behind it, but just this line on this one...