I have a failed restore session that isn't going away on its own, and when I
try to cancel it, it says it is cancelling the session but it isn't getting
rid of it.  I can't restart the restore because it says there is an active
restore in progress--which is the session that won't go away.

Is there a way to force it?  Do I need to halt the server to get this thing
to go away?

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