NTBackup Error

Tech-Archive recommends: Fix windows errors by optimizing your registry

From: Dave (Dave_at_discussions.microsoft.com)
Date: 11/16/04 

Date: Tue, 16 Nov 2004 08:34:13 -0800

For the past week, NTBackup has refused to backup the Exchange Information
Store and logs the following:
"The selected Microsoft Exchange Service is currently being backed up by
another process"

Nothing has been changed or added - any help appreciated.