Greg, I solved it. The problem (at least in my environment) appears to be that BOTH the owner and the SQL Agent account must have admin rights. ...

Greg, thanks for the reply. The account that runs SQL Server and SQL Server Agent is a Domain account. I gave this account 'sysadmin' within SQL Server...

Aaah Nathan, thankyou. If only I could find these replies before spending the day working it out for myself (OK, with Google then..) Yes, you are right, I...

Janet, Keith, Deepak,

Thank-you for all your shared experience and advice. I tried a different tack, and worked. My Primary Database had alkready been configured for Transaction Log Backups....

Markus, Belmukund,

Thank-you for your replies. It transpires that this server (N000S003) replaced an old version of the same name prior to my commencement in this role. In order...