• This is an old thread but I thought I'd post a reply as it may help others searching for a solution.

    This will only work for 2008 sqlservers and up.

    1, in SSMS right click the server name in object explorer and choose "facets" from the drop down menu

    2, next to "facets" click the drop down and choose "Server Settings"

    3, change the "BackupDirectory" entry to a valid location