Justin Best writes:
Thanks for your help, Craig! I appreciate it so very much.
I've filed a bug report with Samba, as you suggested.
https://bugzilla.samba.org/show_bug.cgi?id=3592
Out of curiosity, though, it seems that you still have an open bug that
references the same problem. In
Justin Best writes:
When Outlook is running, the PST file is locked and the backup fails
I've been going with the assumption that this error was due to the
apostrophe in the PST file name, since I *thought* the error disappeared
when I renamed Madalyn's Personal Folders.pst to Madalyns